Description
The HP-18C was HP's first RPL-based calculator even though this model was not user programmable. The user did have a solver (another HP first) available, and is very similar to the HP19BII, but missing RPN logic.
The HP-18C was HP's first RPL-based calculator even though this model was not user programmable. The user did have a solver (another HP first) available, but only had about 1.5 K of continuous memory available to store equations. The calculator had many functions buried in a menu structure. It is very similar to the HP19BII, but missing RPN logic.
This unit has a wonderful true leather carrying bag (pictured)