| Abs | Returns the absolute value. |
| Weeks | Returns a duration representing number weeks. |
| Days | Returns a duration representing number days. |
| Hours | Returns a duration representing number hours. |
| Minutes | Returns a duration representing the specified number of minutes. |
| Mod | The function stands for modulus and returns the remainder after a value is divided by a divisor. |
| Rem | The function stands for remainder and returns the remainder after a value is divided by a divisor. |
| Seconds | Returns a duration representing number seconds. |
| ToWeeks | Takes a duration and returns the number of weeks contained in it. |
| ToDays | Takes a duration and returns the number of days contained in it. |
| ToHours | Takes a duration and returns the number of hours contained in it. |
| ToMinutes | Takes a duration and returns the number of minutes contained in it. |
| ToSeconds | Takes a duration and returns the number of seconds contained in it. |
