Rapidman 804 calculator

Dublin Core

Title

Rapidman 804 calculator

Subject

hardware: electronic calculator

Description

Rapidman 804 electronic hand-held calculator manufactured by Rapid Data Systems & Equipment Ltd. of Toronto in the early 1970s (released in 1973).

Basic Specifications:
  • numeric capacity: 8-digit display with constant
  • calculation functions: 4 basic operations (+, -, x, ÷), mixed calculations, chain division and multiplication, constant calculations in all four basic functions
  • decimal system: full floating mode or selectable (0-7) from keyboard
  • indicators: negative sign, and overflow (entry, answer)

Hardware specification:
  • registers: two (1 numeric and 1 constant)
  • CPU: MOS,single chip
  • power supply: 9V bettery or AC adapter

Creator

Rapid Data Systems & Equipment Ltd.

Date

1970s

Files

rm804.jpg

Citation

Rapid Data Systems & Equipment Ltd., “Rapidman 804 calculator,” York University Computer Museum Canada, accessed December 6, 2021, https://museum.eecs.yorku.ca/items/show/313.

Output Formats