06-11-2025, 01:27 PM
I repaired this interesting calculator recently, it has the unusual property of being able to work in floating point in both decimal, hex, and octal. shown here with the one I use most often. TI SR-22 and TI Programmer:
Brief video:
https://www.youtube.com/shorts/VYgZinetxwQ
One of my favorites is my Dad's Curta.
During the 70s and 80s I had a string of Casio programmable calculators, and finished with FX61F 'Electric Formula' which I still use.
Another photo showing some more of my collections - including my slide-rule bought at school.
Brief video:
https://www.youtube.com/shorts/VYgZinetxwQ
One of my favorites is my Dad's Curta.
During the 70s and 80s I had a string of Casio programmable calculators, and finished with FX61F 'Electric Formula' which I still use.
Another photo showing some more of my collections - including my slide-rule bought at school.
