# Math
This file has math related methods.


- - -

## Double.GetDigit
```pascal
function Double.GetDigit(n: Int32): Int32;
```

Get the digit at the **n** place of the Double.

Example:
```pascal
var
  BioHash := 0.0123456789;
begin
  WriteLn BioHash.GetDigit(4); //will print 3
end;
```


- - -

## NumberPerHour
```pascal
function NumberPerHour(n: Int64): Int32;
function NumberPerHour(n: Double): Int32; overload;
```

Calculate how many **n** per hour. You can optionally specify the amount of **time** to use in the calculation.

Example:
```pascal
WriteLn NumberPerHour(10000, 2 * ONE_HOUR); //will print 5000.
```