![Casio fx-3600p. Programmable calculator in early 1980's. There's a function for linear regression as well. :)… | Calculadora, Computadoras, Recuerdos de la infancia Casio fx-3600p. Programmable calculator in early 1980's. There's a function for linear regression as well. :)… | Calculadora, Computadoras, Recuerdos de la infancia](https://i.pinimg.com/originals/37/af/0f/37af0ff677f2229bb651e5f36dea20c2.jpg)
Casio fx-3600p. Programmable calculator in early 1980's. There's a function for linear regression as well. :)… | Calculadora, Computadoras, Recuerdos de la infancia
![Casio FX82 calculator I bought in 1982 at the age of 15. Used it throughout school, my apprenticeship and work as a draughtsman. Don't use it much now but it still works Casio FX82 calculator I bought in 1982 at the age of 15. Used it throughout school, my apprenticeship and work as a draughtsman. Don't use it much now but it still works](https://preview.redd.it/ppyfb47db2r31.jpg?auto=webp&s=ee2915d2b81048659431b306f08cdc67f718e11d)
Casio FX82 calculator I bought in 1982 at the age of 15. Used it throughout school, my apprenticeship and work as a draughtsman. Don't use it much now but it still works
![VINTAGE 1980 CASIO fx-100 COLLEGE Scientific Calculator. Has scratches, see pics - $14.99 | PicClick VINTAGE 1980 CASIO fx-100 COLLEGE Scientific Calculator. Has scratches, see pics - $14.99 | PicClick](https://www.picclickimg.com/d/l400/pict/224602318132_/Vintage-1980s-CASIO-FX-250-Scientific-Calculator-Battery-operated.jpg)
VINTAGE 1980 CASIO fx-100 COLLEGE Scientific Calculator. Has scratches, see pics - $14.99 | PicClick
![VINTAGE 1980'S CASIO Solar Cell Electronic Calculators Sl-300 +1 Made In Japan - £6.00 | PicClick UK VINTAGE 1980'S CASIO Solar Cell Electronic Calculators Sl-300 +1 Made In Japan - £6.00 | PicClick UK](https://www.picclickimg.com/d/l400/pict/383953566289_/Vintage-1980S-Casio-Solar-Cell-Electronic-Calculators-Sl-300.jpg)
VINTAGE 1980'S CASIO Solar Cell Electronic Calculators Sl-300 +1 Made In Japan - £6.00 | PicClick UK
![File:Vintage Casio Melody ML-90 Electronic Pocket Calculator & Clock, Plays 12 Melodies, LCD, Circa 1980 (15370587704).jpg - Wikimedia Commons File:Vintage Casio Melody ML-90 Electronic Pocket Calculator & Clock, Plays 12 Melodies, LCD, Circa 1980 (15370587704).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/5/5d/Vintage_Casio_Melody_ML-90_Electronic_Pocket_Calculator_%26_Clock%2C_Plays_12_Melodies%2C_LCD%2C_Circa_1980_%2815370587704%29.jpg)