The HP 11c is a programmable calculator with an extensive set of built-in scientific and engineering functions.

Non-Programmable Features:

• Hyperbolic and inverse hyperbolic trig functions.
• Probability (combinations and permutations).
• Factorial, % change, and absolute value.

Programming Features:

The HP 11c provided label addressing (0-9 and A-E), subroutines (nestable to 4 deep). 8 conditional tests, increment/decrement loops, and 2 flags. For program editing, the calculator featured implied insert (instructions entered didn’t overwrite the current instruction) and deletion via the backspace key.

Introduced in 1981. Discontinued in 1989.

Current Stock Status: Out of Stock

Replacement Model: HP 33s