HI ! FIXO i am very thank you TO YOU. but your lisp code can not sum include decimal digit behind.
FOR EXAMPLE
FD 12.2 + FD 12.5 IT SHOULD BE EQUAL (FD 24.7)
BUT YOUR LISP CODE ROUND IT DOWN TO ZERO
LIKE THIS:
(FD 24)
CAN YOU DEVELOP YOUR LISP CODE MORE?