This is a fully flexible formula parser based on Node

Table of Contents

• Features
• 🤲 Want to Motivate?
• When do you need it
  • Install 🐙
• Usage
• Highlight 🔥
• Available Operators
• Items in queue
• Contribution 🍰
• License

Features

• Node based
• Simple Javascript methods
• Carefully evaluated priorities
• Appropriate infix/prefix/postfix operations

🤲 Want to Motivate?

Who doesn't need motivation? Please give the project a star(⭐) and/or share it in your dev circle.

When do you need it

• Has got complex formula needs to be evaluated?

Install 🐙

npm install formula-parser

or

yarn add formula-parser

Usage

import {parseFormula} from 'array-initializer'

// const value = ('Your complex formula');
const value = ('(4*(6)^2)+(2*(123))+243/sin(80)');

Highlight 🔥

It was frustrating for me when I was looking for some easy way to evaluate complex formulae in various part of my application.

Available Operators

|Operator|Description | Positioning| |---|---|---| |+|Addition|prefix| |-|Subtraction |prefix| |+|Multiplication|prefix| |/|Division|prefix| |(|Bracket open|prefix| |)|Bracket close|postfix| |,|Coma|infix| |^|Power|infix| |!|Factorial|postfix| |abs|Absolute|function| |min|Minimum|function| |sqrt|Square root|function| |sin|Sin function|prefix| |cos|Cos function|prefix|

Items in queue

• Logically endless combinations

Contribution 🍰

If you understand the importance please feel free to create issue and make pull request

Refer code of conduct

Refer contributing

License

MIT © Koustov