Hotel price calculation jobs
Project Title: Review of Acoustical Engineer Calculation Description: I am looking for a freelancer to review existing calculations for an acoustical engineering project. The ideal candidate should have expertise in acoustical engineering and be able to thoroughly evaluate and review the calculations. It is just to change a decibel reduction amt to tell whether they would have still passed, from previous report. I can send calculations used in reports Requirements: - Experience in acoustical engineering and familiarity with relevant calculations - Ability to review and analyze existing calculations for accuracy and effectiveness - Attention to detail to identify any errors or areas for improvement in the calculations - Strong analytical and problem-solving skills to provide valu...
I am looking for a freelancer who can assist me in finding historical hotel price data on and Airbnb for the past 10 years in two locations in Indonesia: Kuta Lombok and Sekongkang Sumbawa. The data should be provided in a CSV file format. Need to look at a specific list of hotel prices on I would also be interested in historical Airbnb prices. Skills and experience required: - Proficiency in data research and collection - Strong knowledge of the hotel industry and pricing trends - Ability to accurately organize and format data in a CSV file - Attention to detail to ensure data accuracy - Familiarity with Indonesian hotel market and regions mentioned (Kuta Lombok, Sekongkang Sumbawa)
...realtime dashboard for our company. The dashboard will be used to calculate contractor payments and automate invoice calculations for our clients. 1. Payroll Calculation Need to automate payroll calculation for each driver based on: -WooDelivery outputs -Delivery fee based on location (Some variances for each driver) -Pick-up fees (unique to some drivers) Need to have a real-time dashboard that drivers can individually access how much they’ve made in real-time based on the inputs from the Woo Delivery platform. 2. Need to automate invoice calculation for each pharmacy client. Need to take completed tasks from WooDelivery and create a calculation for the fees generated based on delivery location. Each pharmacy has a different fee structure for deliver...
Our company operates as an Online Travel Agency (OTA), primarily interfacing with various hotel providers. The majority (99%) of these providers share their hotel descriptions with us in English through their APIs. Given that our website serves a multilingual audience, it's essential to have these descriptions available in several major languages. Previously, we relied on local translators for this task. However, with the advent of advanced AI technologies, we are now looking to implement on-the-spot translation. Our approach is user-driven: initially, we present the hotel descriptions in English. Customers interested in a different language can click a 'Translate' button. Upon this action, we use Chat GPT to translate the description into the customer&...
...evaluation logic are already existent and need to be embedded into the web application. That means that this functionality needs to calculate the input of the user (closed questions). The answers of the closed questions (50 items) will be summed up with a determined logic. That mean that we will provide the questions, and which value each answer possibility provides. You have to generate a backend calculation code that uses the answer´s of the visitors and create am appealing illustration of the derived result. • The individual results must be representing along 5 continuums. The test calculates 5 personality traits. These can be differentiated from each other. Each trait can be represented along a continuous scale between the two extreme points. • For each of t...
...simple and are detailed below. Updates are as follows:- Task #1 applies to 3 gauges showing % achievment to target. Fix formula and any associated elements to display the % towards a target value. displayed as a gauge(already on dashboard). Target value is provided for each month and implemented in the project Actual Value is provided for each month and implemented in the project The % calculation is incorrect - In simple terms if our target were 1,000 and actual is 500 then we are 50 % towards achievement , if actual is 250 then we are only 25% towards achievement and so on. We have targets that are negative(e.g. -10,000) and positive targets. It is also required that when data is not available for certain months (e.g. only have first 6 months of data) that this should ...
Menghitung menggunakan software CAESAR 1. Pipeline stress analysis 2. Pipe buckle upheaveal calculation 3. Pipeline Hydraulic Simulation
I am looking for a freelancer to develop a predictive AI tool for the AVIATOR game on our betting platform. The tool should have the following features: - Winning probability calculation: The AI tool should be able to analyze player performance and calculate the probability of winning for each player. The interface for the AI tool should be graphical, providing a visually appealing and user-friendly experience for our users. The timeline for this project is 1-2 weeks, so we are looking for a freelancer who can work efficiently and deliver the project within this timeframe. Ideal skills and experience for this job include: - AI and machine learning - Data analysis and prediction modeling - Game development and betting platforms
Book writing Writing about the techniques of the world's trading masters, such as Jesse Libomore and BNF. _______________________________________________________________ 1. in excel, select the columns you want to see in the article and restate them as follows. --Introduction focusing on ranking traders' performance in the first half of the article + Summarize the technique from 1 to 10. 2. Specific techniques are important, so write them in detail Writing Guide : Focus on detailed core techniques . --(Important note: if you have a technique know-how explanation on the chart: organize it in detail) Be sure to include a picture of the chart 주의: 이책에서 이런 내용이 있으니 읽어보아라, " 는 등 책이라는 언급 하지 말것, !
Project Title: iOS Calculator app for diabetes Features: - Basic arithmetic operations - Blood glucose conversion - Insulin dosage calculation Design: - Client has a specific design in mind for the app Compatibility: - Client is not sure if the app should be compatible with specific iOS models or all models Ideal Skills and Experience: - Experience in iOS app development - I have the complete design and need to make it functional.
...have to be correct answers; they just need to be answered within a few seconds of them popping up throughout the videos. Key Requirements: - Ability to watch educational/training videos online - Strong attention to detail - Proficiency in answering multiple choice questions accurately - Availability to watch a minimum of 26 hours of videos, with the potential for up to 70+ videos depending on price -After each successful session of the video, you will just need to hit submit as long as the minimum number of questions were answered and that's it. Ideal Skills and Experience: - Excellent time management and organizational abilities - Attention to detail as the questions pop up, you can't miss them or you may need to start over. Accuracy in answering multiple choice qu...
I am looking for a Shopify developer who can update my Empire theme template to show a single "from" price instead of a price range. Requirements: - Experience with Shopify and the Empire theme - Ability to check the current version of the Empire theme - Familiarity with the standard theme and ability to confirm if any additional customization has been made - Expertise in modifying the price display to show a single price instead of a range Additional Information: - The current version of the Empire theme is unknown, so the developer will need to check - There are no other changes or updates needed apart from the price display modification
Business Development Professional I am seeking a Hotel / Resort Construction & Renovations business development professional who can assist me with sales and marketing strategies to achieve increased sales. Specific Area of Assistance: - Sales and Marketing Target Market: - Yes, I have a specific target market in mind. Desired Outcome: - Increased sales Ideal Skills and Experience: - Proven track record in developing and implementing successful sales and marketing strategies - Strong understanding of target market analysis and segmentation - Experience in creating and executing marketing campaigns to drive sales growth - Ability to analyze sales data and identify areas for improvement - Excellent communication and negotiation skills to build and maintain client relationshi...
Hotel / Resort Construction & Renovations Business Development Professional I am looking for a skilled and experienced professional to assist me with business development for my hotel and resort construction and renovations project. Specific services needed: - Business development: Help in expanding and growing my hotel and resort construction and renovations business - Marketing and branding: Assist in creating a strong brand presence and effective marketing strategies - Project management: Support in managing and overseeing the entire construction and renovation process Target market: - National: I am primarily targeting customers within the country Timeline: - Less than 3 months: The project needs to be completed within a short timeframe Ideal skills an...
The project aims to improve the performance and functionality of the chat page in a mobile application, which is built with react native technology. The chat page is a key feature of the app that allows users to communicate with each other throu...tool for monitoring and analyzing app performance. Refactor and optimize the code base of the chat page, using the best practices and standards of react native development. The goal is to achieve the optimal value for each metric and enhance the user experience and satisfaction. Solve some functional pain points that affect the usability and functionality of the chat page, such as the incorrect calculation of unread messages, the inconsistent status of read messages, etc. If you have the necessary skills and experience, please submit your...
I am looking to overhaul a very outdated logo on 3 taverns. They are all owned by the AHL Group. In Cairns. The Edge Hill Tavern Raintrees and The Balaclava Hotel. The client is looking to re-brand all 3 with a common design element that ties them together. This will be for outdoor signage, menus and stationary, to the new logos on the uniforms the staff wear, beer coasters and the like.
I am looking to overhaul a very outdated logo on 3 taverns. They are all owned by the AHL Group. In Cairns. The Edge Hill Tavern Raintrees and The Balaclava Hotel. The client is looking to re-brand all 3 with a common design element that ties them together. This will be for outdoor signage, menus and stationary, to the new logos on the uniforms the staff wear, beer coasters and the like.
...Add/follow friends, private messaging, public posts, and in-app forums. - Flight and Travel Tracking: Integration with airline APIs for real-time tracking and historical data. - Lounge Access Information: Database of global airport lounges and access rules. - Check-in and Networking: In-app check-in for flights and lounges with a networking feature. - Sustainability Tracking: Carbon footprint calculation and visualization tools. - Content Management System: For managing freelancer-submitted articles and user-generated content. - Review and Rating System: For user feedback on various travel services. - Push Notifications: For updates and alerts. Additional Requirements: - Logging and Monitoring: Comprehensive logging of user activities and administrative actions for security and ...
...Add/follow friends, private messaging, public posts, and in-app forums. - Flight and Travel Tracking: Integration with airline APIs for real-time tracking and historical data. - Lounge Access Information: Database of global airport lounges and access rules. - Check-in and Networking: In-app check-in for flights and lounges with a networking feature. - Sustainability Tracking: Carbon footprint calculation and visualization tools. - Content Management System: For managing freelancer-submitted articles and user-generated content. - Review and Rating System: For user feedback on various travel services. - Push Notifications: For updates and alerts. Additional Requirements: - Logging and Monitoring: Comprehensive logging of user activities and administrative actions for security and ...
Project Description: MotoPress Hotel Booking Functionality Customization I am looking for a WordPress developer who can assist me with customizing the functionality of the MotoPress Hotel Booking plugin on my website. It will be easier if you have experience with MotoPress Plugins. Specific changes required: - In our site we have different accommodation types - Villas, Campers and etc. - When user make reservation, the system need to send different email for bank account details, when user choose Bank Transfer Payment Method. When choose villa the bank account is one, when choose Camper the bank account is different. This is the only difference, and we need to implement this in email template. - We prefer to make this change via code snippet or API. Of course every another ...
...on user inputs. - The user should be able to input variables such as Salaried/Business Class,Existing tax slabs,loan amount, interest rate, and tenure. - The application should also provide a detailed breakdown of the EMI calculation, including principal amount, interest amount, and total repayment amount. - The loan eligibility calculator should take into account factors such as income, credit score, and existing debts. - The application should have the ability to save and retrieve user data for future reference. - It should also have the option to share the calculation results via email or social media. Ideal Skills and Experience: - Proficiency in mobile application development, particularly for the Android and iOS platforms. - Experience in developing calculator appl...
I am looking for a skilled developer to create a mobile app with a website that compares prices for food delivery in my region. The app should be developed for both iOS and Android platforms. The website should have an intermediate level of complexity, including user interaction. For collecting and comparing food prices, I prefer web scraping as the method. Ideal skills and experience for this project include: - Proficiency in mobile app development for iOS and Android - Experience in creating websites with user interaction - Knowledge of web scraping techniques and tools
Project aims to construct a modern, eco-friendly tourist residence. It will comprise approximately 12 units spread over three levels (basement, ground floor, and first floor). Each unit will include living areas, kitchenettes, bedrooms, and terraces with sea and airport views. A unique identity for each unit will be created with names inspired by local spices, offering a distinctive experience. Designs are required for four distinct areas: Type T1 Apartment (Single/Couple Occupancy): Kitchen Appliances: Compact refrigerator, two-burner induction cooktop, microwave oven, coffee machine and kettle. Smart TV. 2. Type T2 Apartment (Single/Couple Occupancy): Kitchen Appliances: Medium-sized refrigerator, two-burner induction cooktop, microwave oven, coffee machine and kettle. Smart TV. 3. ...
I am looking for a Shopify expert to fix a specific issue with our checkout process. The problem started yesterday, and it involves the price changing from the displayed price to something else during checkout. Skills and experience required: - Strong knowledge of Shopify and its checkout process - Experience in troubleshooting and resolving checkout issues - Familiarity with payment processing and shipping calculation on Shopify - Attention to detail to identify and fix the specific issue causing the price change during checkout.
I am looking for a developer to create a hotel app that can be used on both iOS and Android platforms. The app will primarily be used by hotel employees for internal purposes. Core features of the app will include: - surveys for employees, asking how do they feel - booking nearby gym - sharing thoughts, making posts evident to hotel employees As for the timeline, there is no strict deadline for the completion of the project. Flexibility is key. Ideal skills and experience for the job: - Proficiency in developing apps for both iOS and Android platforms - Experience in creating user-friendly interfaces for hotel management systems - Knowledge of booking and ordering systems within the hospitality industry If you have the necessary skills and experience, plea...
I am looking for a skilled WordPress developer to create a plugin that will fetch the cheapest price from my own website and display it on the product page and product categorie page as "Best price". Additionally, the plugin should also show the cheapest supplier. Key Requirements: - Experience in developing WordPress plugins - Expertise in web scraping and data extraction - Strong knowledge of PHP and JavaScript The plugin should have the following features: - Automatically fetch the cheapest price from my website - Display the price prominently on the product page and product categorie page - Show the cheapest supplier - Regularly update the prices on my website If you have the required skills and experience, please submit your proposal alo...
I am looking for a freelancer who can help me with a project to check and update the prices of my listed products on a specified platform. The ideal candidate should have experience in working with various platforms such as...products on a specified platform. The ideal candidate should have experience in working with various platforms such as Amazon, eBay, or other specified websites. Project Details: - Platform: Other (Please specify) - Number of products: 2000 - Information to update: Price and seller name First the script should be able to check if i am the first seller (with the lowest price) on every product (this needed only one time, after one time this is no longer is necessary and later just check updates for my products and notify me if there any price and ...
I am looking for a designer to create a professional logo for my hotel. The hotel name is "minz rooms" and I would like a modern design, playful, bold. I don't have any specific color preferences for the logo, so I'm open to any color scheme. The logo should be of high quality and should be created with creativity in mind. The logo should be original and should embody the values and ambiance of the hotel. I'm looking forward to seeing the designs! It should be well visible design, simple and playful, which can suit as signages on any building It needs to be professional, original in its design, bold and also playful.
I am looking for an #EXPERT in API integration to work on my Codeigniter website. The project involves the integration of a third-party API to add other functionality to the website. Skills and Experience: - Expertise in Codeigniter and API integration - Strong understanding of third-party API integration - Experience in adding other functionality through API integration The project needs ...integration of a third-party API to add other functionality to the website. Skills and Experience: - Expertise in Codeigniter and API integration - Strong understanding of third-party API integration - Experience in adding other functionality through API integration The project needs to be completed within 1 week. I am looking for a freelancer who can deliver high-quality work at a reasonable ...
Looking for a person with experience of the Tuya IoT system, to create a custom WebApp for my small farmhouse business with 8 guest bedrooms. App will include: Being able to control Tuya and other 3rd party devices (lights, room temperature, curtains etc), inside their room from moment of check in to check out Guest messaging features that integrate with hotel PMS system Door Access Key Guest Room Service Ordering Features Advertising Platform for us to push adverts to guests for local events Guest Information platform of local bars, restaurants and things to do in the area Project to still be clearly defined, but looking for someone who can help design and build entire solution.
• ArchiCAD freelancer(s) • INTERIORS DESIGN Very important : I look for a LONG TERM business partnership to develop different projects on ArchiCAD such as : 1 hotel in India, 1 hotel in France, 1 entertaining venue in Turkey, 1 entertaining venue in Australia and new projects coming soon. I am looking for an ArchiCAD specialist who can assist me with 3D modeling and 2D drawings tasks. Specifically, I need help with developing different ArchiCAD INTERIORS PROJECTS based on my instructions and materials such as: - Existing dwg drawings (Architectural background plans and sections for reference) - Rough hand sketches (Floor layouts, Skirting, wall panelings, moldings, ceilings volumes...) - External 3D objects (furniture, joineries, lightings...) The freelancer w...
I am looking for a freelancer to create a website for product price comparison from leading ecommerce sites. The website should have the following features: - Advanced search filters to help users find specific products. - User reviews and ratings to provide insights and recommendations. - The ability to compare price history to track price changes over time. Develop a user-friendly and visually appealing e-commerce product comparison site for electronics. - Implement product comparison functionality that allows users to compare various electronics products based on different features and specifications. - Integrate an easy-to-use search and filtering system to help users find the products they are looking for. - Implement a secure payment gateway for users to purcha...
We are looking for a skilled programmer to develop a hotel B2B & B2C customer relationship management program. The program should include a customer portal and dynamic pricing functionality. The main goal is to streamline communication and improve efficiency between our hotel and our B2B & B2C customers. This program will be used to manage customer information, reservations, and pricing in a centralized system. The ideal candidate should have experience in programming and developing CRM systems, as well as knowledge of hotel industry operations. Attention to detail, problem-solving skills, and strong communication abilities are essential for this role. Relevant skills: - CRM development - Programming - Database management - Hotel industry knowledge Sim...
...skilled artist who can create a realistic sketch of a hotel for personal use. I prefer a realistic style for the sketch, and I am looking for a general representation of the hotel without any specific details or features emphasized. hotel is the four seasons hampshire Ideal skills and experience for this project: - Proficiency in sketching and creating realistic drawings - Attention to detail to accurately represent the hotel - Ability to work with minimal guidance and create a general representation - Strong artistic skills and understanding of perspective and proportions This project is perfect for an artist who has experience in creating realistic sketches for personal use. It is important that the artist can accurately depict the hotel without th...
I am looking for an #EXPERT in API integration to work on my Codeigniter website. The project involves the integration of a third-party API to add other functionality to the website. Skills and Experience: - Expertise in Codeigniter and API integration - Strong understanding of third-party API integration - Experience in adding other functionality through API integration The project needs ...integration of a third-party API to add other functionality to the website. Skills and Experience: - Expertise in Codeigniter and API integration - Strong understanding of third-party API integration - Experience in adding other functionality through API integration The project needs to be completed within 1 week. I am looking for a freelancer who can deliver high-quality work at a reasonable ...
Hello everyone, I have a small vacation rental property which I manage through a WordPress website integrated with WooCommerce and the following booking plugin: Soho Hotel - Responsive Hotel Booking WP Theme. Until recently, everything was functioning smoothly. However, I've encountered a sudden issue. When I try to set a booking period in the backend, I receive an error message. I haven't maintained the site for two years, which might be contributing to the problem. Attempting to update the plugin resulted in the entire website becoming non-functional. I'm seeking someone with expertise in this area to reinstall the plugin and restore the website's functionality. The person I hire will be granted admin access to the website, which includes a backup p...
I am looking for a skilled freelancer to design a wellness website on the Wix platform and develop a health calculator that integrates seamlessly into the website. Main Goal: - The main goal of the wellness website is to se...best practices. - Expertise in integrating custom features and functionalities into websites. - Strong attention to detail and ability to create visually appealing designs. If you are a talented and creative freelancer with experience in website design and development, with additional skill in the development of web calculators. I am attaching the Excel sheet that provides the flow chart and calculation formats. Also, certain FAQs and source codes of a web app, which has one of the required modules. This source code will give an excellent idea of the web ap...
I am looking for a freelancer to design and develop a mobile application for an existing business. The application should be designed and built for the Android and apple platform and offer task tracking features. The app would help manage the work of housekeeping staff in a hotel. It should be simple to use and clearly display any tasks that need to be done, how long they might take, and when they need to be completed. The app should also help manage payroll and billing. Reception desktop on teblet.
I am in need of an experienced and reliable developer to help me with a Woocommerce problem relating to sale pricing. Currently, there is an issue where no discounts are being applied at all, even though they should be. I need immediate assistance with this, and am looking for a developer who can quickly deliver a solution that works. Experience handling custom code development, along with the Woocommerce platform, is important here. If this sounds like the right fit for you, please contact me ASAP and let's get the project started. Thank you!
...SIGNATURE ON MOBILE SCREEN VIDEO EXAMPLE PART OF SOFTWARE RISK AND FRAUD DETECTION WITH DASHBOARDS • THIS SOTHWARE WILL BE CA TAKE JUST THE LEVEL RISK OF INSPECCTION AND USE LIKE A PARAMETER FOR CALCULATION OF RISK (OR NO FOR OTHER TYPES OF INSURANCES NO VEHICLES) • THIS SOFTWARE USE A MATEMATICAL MODEL FOR CALCULATE THE RISK LEVEL • SHOW A LEVEL OF RISKS (RISK DASHBOARD) • MAKE A CALCULATION OF THE LEVEL OF RISKS BY TAKING DATA FROM DIFFERENT WEBSITES AND DATABASES • USE AI TO DETECT FRAUD DETECTION AND PREVENTION PARAMETERS MEASURE (MICROSOTH AZURE AI OR SIMILARS) • I ALREADY HAVE A WEBSITE • TECHNICAL SERVICE WITH ONE MONTHLY PAYMENT VIDEOS EXAMPLES this company
I am looking for an experienced web developer to create a responsive web application for me using BUbble.io. The application is mainly intended for data input, workflow, calculation, and obtaining results. I don't have specific design preferences in mind for the web app; I am open to any suggestions. However, I do have a specific list of features and functionalities that I would like the web application to have. I would like the web app to be secure, efficient, attractive, and come with the features and functionalities I have outlined. I am looking for a skilled web developer with a long history of success in creating these types of projects to work with. If you think you could do a great job on this project, please submit your proposal and let me know why you are the perfect p...
I am looking for an #EXPERT in API integration to work on my Codeigniter website. The project involves the integration of a third-party API to add other functionality to the website. Skills and Experience: - Expertise in Codeigniter and API integration - Strong understanding of third-party API integration - Experience in adding other functionality through API integration The project needs ...integration of a third-party API to add other functionality to the website. Skills and Experience: - Expertise in Codeigniter and API integration - Strong understanding of third-party API integration - Experience in adding other functionality through API integration The project needs to be completed within 1 week. I am looking for a freelancer who can deliver high-quality work at a reasonable ...
I am looking for a Python developer who can help me with writing unit tests for my project. The specific functionality or feature that needs to be tested includes input validation, calculation accuracy, and error handling. Ideal Skills and Experience: - Familiarity with understanding existing codebase - Proficiency in writing unit tests - Knowledge of Python programming language The existing unit tests need to be incorporated or modified, so it is important that the developer has experience in working with existing tests. The deadline for completing the unit tests is within a week. If you have the necessary skills and experience, please apply for this project.
I am looking for a web developer to build a website that combines news and crypto price tracking. I have a rough idea of what I am looking for, but I am open to suggestions from the developer. Furthermore, I want the website to be mobile friendly and responsive. The developer should be knowledgeable in web design, development, and cryptocurrency.
Travel Ecommerce Website Features: - Flight Booking - Hotel Booking - Holidays Design Style: - Minimalistic Number of Pages: - 6-10 We are looking for a skilled web developer to create a travel ecommerce website with flight booking, hotel booking, and car rental features. The design style should be minimalistic, with a clean and modern look. The website should have 6-10 pages to provide a comprehensive user experience. Experience in ecommerce website development and integration of booking systems is preferred.
I need calculation of day shifts night shifts early morning and afternoon. A shift may consist of early and day shift as an example
I am looking for a skilled freelancer to help me with my project, which involves managing the rates for my mid-range hotel. The primary goal of this project is to maximize revenue for the hotel. Skills and experience needed: - Experience in rate management for hotels - Knowledge of revenue optimization strategies - Proficiency in working with property management systems Requirements: - Integrate the rate management system with our existing property management system - Ensure seamless communication between the two systems - Optimize rates based on occupancy trends and demand - Provide regular reports and analysis on revenue performance If you have the necessary skills and experience, and can work through our existing property management system, please bid on this pr...
...concept drawings of a development project. Specifically, our project requires elevation drawings with moderate details of ext, landscape, road, and pathways with and possibly some interior features, with a flexible timeline. We need such drawings to be able to accurately determine the shape, size, and position of construction sites. Show hypothetical landscape and area drawings of a Marina, small hotel, and commercial properties The professional hired is expected to be able to translate the provided information into detailed and accurate drawings in line with the specific stipulated deadlines. The hired expert should possess a comprehensive and in-depth knowledge of software also used in this type of field. The person chosen for this job will be expected to create drawings wi...
I have one question which I need the answer and the method of calculation so I can replicate the same. Budget 2024 Revenue: 8,769.2 Production costs: 5,452.2 Gross margin: 3,317.0 (38%) Budget 2023 Revenue: 7,218.2 Production costs: 4,250.7 Gross margin: 2,967.5 (41%) Gross margin reduced by 3% How can I analyse my production costs to calculate the direct contribution to the 3% gross margin reduction, i.e. -1% attributed to 'Manufacturing cost' increase: Production costs: Budget 2024 Manufacturing costs: 4,723.4 Other Production costs: 728.8 Budget 2023 Manufacturing cost: 3,816.9 Other Production costs: 433.8 Answer in excel or Google sheet with sum and formula
