How I can change the format of unit one DM42/Free42

[Didier Lachieze]

(01-08-2021 06:40 PM)fs5qc Wrote:  Yes I understand that but why if I am doing a program that Doing l*h*w=v and I input l=5 h=5 w=5 that I not getting 125

As explained previously your program is not correct and will not return 125. Try with the program example from the HP-42S manual that was quoted by Steve Simpkin.