HP-33C
Codename: Sage C
Family: Spice
Introduction Date: July 1, 1979
Introduction Price: $120
Discontinuation Date: July 1, 1983
Discontinuation Price: $65
Type: Scientific, Programmable
Logic: RPN
Made in (known): USA, Singapore
Display: LED, 10 Characters
ROM: ?
RAM: 140 Bytes
Processor: AMI
Size: 14cm x 7,5cm x 3cm
Weight: 220 gramm
Notes:
  • Versions: Some 33C had a metallic keypad and a smooth finish with metallic gold or silver trim. On other versions the keypad was plastic and the trim was light grey or light brown.
  • Selftest: Press STO and ENTER. After some seconds, all segments in the display will light to indicate the calculator passed the test. Pressing any key gives the fault number for types of failures.