# math

### floor

```ruby
math.floor(value:Numberber) -> Numberber
```

Return the floor value.

### ceil

```ruby
math.ceil(value:Number) -> Number
```

Returns the ceiling value.

### pow

```ruby
math.pow(a:Number, b:Number) -> Number
```

Returns the power 'b' of 'a' similler to a**b.

### sqrt

```ruby
math.sqrt(value:Number) -> Number
```

Returns the square root of the value

### abs

```ruby
math.abs(value:Number) -> Number
```

Returns the absolute value.

### sign

```ruby
math.sign(value:Number) -> Number
```

return the sign of the which is one of (+1, 0, -1).

### sin

```ruby
math.sin(rad:Number) -> Number
```

Return the sine value of the argument [rad] which is an angle expressed in radians.

### cos

```ruby
math.cos(rad:Number) -> Number
```

Return the cosine value of the argument [rad] which is an angle expressed in radians.

### tan

```ruby
math.tan(rad:Number) -> Number
```

Return the tangent value of the argument [rad] which is an angle expressed in radians.

### sinh

```ruby
math.sinh(val:Number) -> Number
```

Return the hyperbolic sine value of the argument [val].

### cosh

```ruby
math.cosh(val:Number) -> Number
```

Return the hyperbolic cosine value of the argument [val].

### tanh

```ruby
math.tanh(val:Number) -> Number
```

Return the hyperbolic tangent value of the argument [val].

### asin

```ruby
math.asin(num:Number) -> Number
```

Return the arcsine value of the argument [num] which is an angle expressed in radians.

### acos

```ruby
math.acos(num:Number) -> Number
```

Return the arc cosine value of the argument [num] which is an angle expressed in radians.

### atan

```ruby
math.atan(num:Number) -> Number
```

Return the arc tangent value of the argument [num] which is an angle expressed in radians.

### log10

```ruby
math.log10(value:Number) -> Number
```

Return the logarithm to base 10 of argument [value]

### round

```ruby
math.round(value:Number) -> Number
```

Round to nearest integer, away from zero and return the number.

### rand

```ruby
math.rand() -> Number
```

Return a random runber in the range of 0..0x7fff.