Create and Call Custom Functions

Our first function - the current date/time
Good Afternoon -- 
the date/time is now  2025-08-29 13:17:49.137852

Our second function - Odd or Even? 
The number  89  is  odd

Our third function - future value
The future value of $ 3675 @ 2.09 % interest for 10 years
is: $4,519.49