Fingers Crossed for 2021 ...

2020 was the worst! COVID kept the museum closed for much of the year and a mains water pipe bursting causing a flood kept us closed for the rest. 
We're hoping to re-open in the next few months ... fingers crossed! Read More >>>

Please Donate Via Just GivingNo visitors, no workshops, no events, no school visits... no income. We know that things are tough for everyone right now, but if you can afford to help us through these tough times please donate what you can.

There's over 36,000 exhibits here! That should keep you occupied for a bit - get searching!

Or come and get involved on our social media channels ...

      Twitch  Facebook          Online Gift Shop      

Thank you.

Casio FX-850P

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 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-180P Casio 1980
Casio fx-310 Casio 1980
Casio FX-720P Casio 1982
PsION 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 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 - Buisness Organising Scheduling System Casio 1989
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 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


Click on the Image(s) For Detail


Help support the museum by buying from the museum shop

View all items

Founding Sponsors
redgate Google ARM Real VNC Microsoft Research
Heritage Lottery Funded
Heritage Lottery Fund
Accredited Museum