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HyperFormula is an open-source headless spreadsheet for business web apps. It comes with over 400 formulas, CRUD operations, undo-redo, clipboard support, and sorting.

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HyperFormula - A headless spreadsheet, a parser and evaluator of Excel formulas

An open-source headless spreadsheet for business web apps

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HyperFormula is a headless spreadsheet built in TypeScript, serving as both a parser and evaluator of spreadsheet formulas. It can be integrated into your browser or utilized as a service with Node.js as your back-end technology.

What HyperFormula can be used for?

HyperFormula doesn't assume any existing user interface, making it a general-purpose library that can be used in various business applications. Here are some examples:

  • Custom spreadsheet-like app
  • Business logic builder
  • Forms and form builder
  • Educational app
  • Online calculator

Features

Documentation

Integrations

Installation and usage

Install the library from npm like so:

npm install hyperformula

Once installed, you can use it to develop applications tailored to your specific business needs. Here, we've used it to craft a form that calculates mortgage payments using the PMT formula.

import { HyperFormula } from 'hyperformula';

// Create a HyperFormula instance
const hf = HyperFormula.buildEmpty({ licenseKey: 'gpl-v3' });

// Add an empty sheet
const sheetName = hf.addSheet('Mortgage Calculator');
const sheetId = hf.getSheetId(sheetName);

// Enter the mortgage parameters
hf.addNamedExpression('AnnualInterestRate', '8%');
hf.addNamedExpression('NumberOfMonths', 360);
hf.addNamedExpression('LoanAmount', 800000);

// Use the PMT function to calculate the monthly payment
hf.setCellContents({ sheet: sheetId, row: 0, col: 0 }, [['Monthly Payment', '=PMT(AnnualInterestRate/12, NumberOfMonths, -LoanAmount)']]);

// Display the result
console.log(`${hf.getCellValue({ sheet: sheetId, row: 0, col: 0 })}: ${hf.getCellValue({ sheet: sheetId, row: 0, col: 1 })}`);

Run this code in CodeSandbox

Contributing

Contributions are welcome, but before you make them, please read the Contributing Guide and accept the Contributor License Agreement.

License

HyperFormula is available under two different licenses: GPLv3 and proprietary. The proprietary license can be purchased by contacting our team at Handsontable.

Copyright (c) Handsoncode