the-math

TheMath

Lib with function to execute operations arithmetics, and you can resolve string operation with resolve.

Installation

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

Installation is done using the npm install command:

Use npm:

$ npm install the-math

Use yarn:

$ yarn add the-math

Features

• subtract - Solve subtraction between 2 numbers.
• Sum - Solve sum between 2 numbers.
• divide - Solve division between 2 numbers.
• multiply - Solve multiplication between 2 numbers.
• resolve - Solve a string operation arithmetic.

Exemples

1. Solve subtraction between 2 numbers.

import TheMath from 'the-math';

const result = TheMath.subtract(10, 3);
// result: 7

1. Solve subtraction between 2 numbers.

import TheMath from 'the-math';

const result = TheMath.sum(14, 7);
// result: 21

1. Solve division between 2 numbers.

import TheMath from 'the-math';

const result = TheMath.divide(21, 3);
// result: 3

1. Solve multiplication between 2 numbers.

import TheMath from 'the-math';

const result = TheMath.multiply(6, 3);
// result: 18

1. Solve a string operation arithmetic.

import TheMath from 'the-math';

const result = TheMath.resolve('12+4*3*9/2+1');
// result: 67

Calculator Exercise

Tier: 1-Beginner

Calculators are not only one of the most useful tools available, but they are also a great way to understand UI and event processing in an application. In this problem you will create a calculator that supports basic arithmetic calculations on integers.

The styling is up to you so use your imagination and get creative! You might also find it worth your time to experiment with the calculator app on your mobile device to better understand basic functionality and edge cases.

Constraints

• You may not use the eval() function to execute calculations