Formula Packages

Math and string formula parser.

Math and string formula parser.

Formula parser

The exact-math is a set of methods for addition, subtraction, multiplication, division, rounding, ceiling, flooring and powering calculations. It can be used with big number as it handles the floating point problem.

Formula to detect the ease of reading a text according to Flesch Reading Ease (1975)

retext plugin to check readability

Formula to detect the grade level of text according to the (revised) Spache Readability Formula (1974)

Formula to detect the ease of reading a text according to the SMOG (Simple Measure of Gobbledygook) formula (1969)

Formula to detect the grade level of text according to the (revised) Dale-Chall Readability Formula (1995)

Formula to detect the ease of reading a text according to the Automated Readability Index (1967)

Formula to detect the ease of reading a text according to the Gunning fog index (1952)

Formula to detect the ease of reading a text according to the Coleman-Liau index (1975)

A generator of numbers that passes the validation of Luhn algorithm or Luhn formula, also known as the 'modulus 10' or 'mod 10' algorithm

Math expression evaluator

Tokenize Excel formulas

fast excel formula parser

Salesforce Formula Parser

Mathpix-markdown-it is an open source implementation of the mathpix-markdown spec written in Typescript. It relies on the following open source libraries: MathJax v3 (to render math with SVGs), markdown-it (for standard Markdown parsing)

MathJax version 4 beta release testbed

HyperFormula is a JavaScript engine for efficient processing of spreadsheet-like data and formulas