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nodequadratic

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Readme

Node Quadratic

In algebra, a quadratic function, a quadratic polynomial, a polynomial of degree 2, or simply a quadratic, is a polynomial function in one or more variables in which the highest-degree term is of the second degree.

Installation

This is a Node.js module available through the npm registry.

Before installing nodequadratic, download and install Node.js

Installation is accomplished using the npm install command:

$ npm i nodequadratic --save

Usage

Node Quadratic is a very simple package to use:

var nodequadratic = require("nodequadratic");

// var result = nodequadratic.solve(a, b, c);

var result = nodequadratic.solve(1, -12, -28);

console.log(result);

/* {
    discriminant: 256,
    solutions: {
        plus: 14,
        minus: -2
    }
} */

console.log(`The roots are ${result.solutions.plus} and ${result.solutions.minus}`);

// The roots are 14 and -2

The plus and minus solutions are a result of subtracting or adding the discriminant from -b before dividing by 2a.

console.log(result.solutions.plus);

// 14