my "You Can't Damage the HP-75 by Pressing Its Keys" T-shirt has people asking a lot of questions already answered by my shirt.

For use only on NTSC Genesis Systems.
Avatar image by CyanSorcery!
my "You Can't Damage the HP-75 by Pressing Its Keys" T-shirt has people asking a lot of questions already answered by my shirt.
Hewlett-Packard about to be shocked by how hard I can press a key.
wow, is this warning needed because mechanical calculators could jam and be damaged?