bsiddiqui/arithmetic

# arithmetic
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Arithmetic safely conducts arithmetic operations by ensuring the values are valid numbers and typecasting them prior to evaluation.

## Install
``
$ npm install --save arithmetic
``

## Usage
```js
var arithmetic = require('arithmetic')

arithmetic.add(4, 2)
// => 6
```

## API

#### `arithmetic.add(num1, num2)` -> `number`

##### num1/num2
*Required* <br>
Type: `number`

#### `arithmetic.sum(numbers)` -> `number`

##### numbers
*Required* <br>
Type: `number array`

#### `arithmetic.subtract(num1, num2)` -> `number`

##### num1/num2
*Required* <br>
Type: `number`

#### `arithmetic.difference(numbers)` -> `number`

##### numbers
*Required* <br>
Type: `number array`

#### `arithmetic.multiply(num1, num2)` -> `number`

##### num1/num2
*Required* <br>
Type: `number`

#### `arithmetic.product(numbers)` -> `number`

##### numbers
*Required* <br>
Type: `number array`

#### `arithmetic.divide(num1, num2)` -> `number`

##### num1/num2
*Required* <br>
Type: `number`

#### `arithmetic.quotient(numbers)` -> `number`

##### numbers
*Required* <br>
Type: `number array`