HP Forums

This Message was deleted. This empty message preserves the threading when a post with followup(s) is deleted. If all followups have been removed, the original poster may delete this post again to make this placeholder disappear.

The calculators were used as a cheap display. Any other calculator would have worked as well :)

Frank,

You can't use a HP-21!

Read the thread below this one:

HP-21 displays all zeroes

Cheers, Joerg

but a TI-1200 might have worked as well ;)