Handbooks

Calctro behaves the way the original calculators do, so their owner's handbooks are the manual: every example in them works key for key. We build and test Calctro against these editions.

FIN 12

FIN 12 P

SCI 15

SCI 11

SCI 10

PRG 16

The handbooks are hosted by the HP Calculator Literature archive (literature.hpcalc.org). HP and the calculator model names are trademarks of HP Inc. Calctro is an independent product and is not affiliated with or endorsed by HP Inc.