Casio FX-850P

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The Casio FX-850P is a scientific calculator introduced in 1987 and sold until 1992
2 lines with 32 57 characters LCD
(some indicators and a 5 digit 7-segment display)
8 KB RAM (FX-860P: 24 KB, FX-880P: 32 KB)
CPU: VLSI at 1,228MHz. Hitachi HD62002A01 (FX-860P, FX880P: HD62002A03)
Integrated speaker
Internal slot for memory expansion (32 KB)
Connector with support for RS232 and Centronics (only level converter for RS232, Centronics needed)
LCD Driver: 2 x HD66100F
2x 3V CR2032 lithium batteries as main power supply
1x 3V CR1220 lithium battery as memory backup (RAM power supply)

Our unit is complete with a hard sliding case and a soft cover

Manufacturer: Casio
Date: 1987

Other Systems Related To Casio FX-850P:

Item Manufacturer Date
Casio HR-110T Casio Unknown
Casio Digital Diary SF-3300ER Casio Unknown
Casio AL-2000 Programmable Calculator Casio 1970
Casio 121-U Calculator Casio 1973
Casio Personal-I (H802) Casio 1976
Casio AL-10 Electronic Calculator Casio 1976
Casio FX-110 Scientific Calculator Casio 1977
Casio AQ-1000 Calculator Casio 1978
Casio fx-310 Casio 1980
Casio FX-720P Casio 1982
Casio FX-602P Casio 1982
Casio MG-777 Casio 1982
Casio PB-110 Casio 1983
Casio FX-910 Casio 1984
Casio Mini-Card MC-34 Casio 1985
Casio HS-8G Casio 1985
Casio FX-750P Casio 1985
Casio FX-7000G graphing calculator Casio October 1985
Casio FX-730P Casio 1986
Casio FX-570 Casio 1986
Casio Digital Diary SF-4000 Casio November 1988
Casio FT-21 Fortune Telling Calculator Casio November 1988
Casio FX-82L Fraction Casio 1989
Casio FX-8500G calculator & FA-80 Interface Casio 1989
Casio BOSS - Business Organising Scheduling System Casio 1989
Casio FX-250D Casio 1990 to 1990
Casio FX-82LB Fraction Casio 1993 to 1994
Casio fx-82SX Casio 1996
Casio CFX-9850GC Plus Calculator Casio 1996
Casio Digital Diary SF-4300A Casio 1997
Casio fx-83MS Casio 2000
Casio FX-9750GII Casio 2009
Casio FX-9750G Casio 2009
Casio OH-300ES Casio 2012

This exhibit has a reference ID of CH20339. Please quote this reference ID in any communication with the Centre for Computing History.

 

Casio FX-850P


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