Function toHexadecimal

toHexadecimal(num: number, prefix?: boolean, uppercase?: boolean): string
Converts a decimal number to hexadecimal representation (base 16).
Parameters
- num: number
  The decimal number
- Optionalprefix: boolean = false
  Whether to include "0x" prefix (optional, defaults to false)
- Optionaluppercase: boolean = false
  Whether to use uppercase letters (optional, defaults to false)
Returns string
Example
```
const hex1 = Chalkboard.numb.toHexadecimal(26); // Returns "1a"
const hex2 = Chalkboard.numb.toHexadecimal(26, true, true); // Returns "0x1A"
```
- Defined in Chalkboard.numb.ts:989