Hewlett-Packard HP-20S Scientific programmable calculator

General specifications
Type Scientific programmable calculator
Production years 1989 - 2002
New price Hfl. 89.95
Operating system n.a.
Chipset/CPU -
I/O -
Performance index 23
Entry method Algebraic with precedence
Precision 12 digits
Advanced functions

Forensic result 8.99999864267

Scientific programmable calculator: Hewlett-Packard HP-20S
Programming model Fully-merged keystroke entry
Programming features

Program display Keycode
Program editing Auto-insert program entry
Programming 100 program steps
Data 10 numbers
Functions + -
Type LCD
Size 12(9+2) digits
LWH 1527612 mm
Weight 170 g
Batteries 3LR44
External power -
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This one I bought back in 1989, when I needed it for my education. It still runs on the original batteries (Dec. 2008)! It's simple but effective. Very nice piece of kit.


Scientific programmable calculator: Hewlett-Packard HP-20S

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This page was last modified on December 10th, 2008

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