Citizen SR-I

The Citizen SR-I is a scientific calculator with 8 digits precision and algebraic logic. It has 30 functions, 33 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA. The calculator was manufactured in Japan. Note: External battery pack

Facts at a glance:

Feature Value
Type: Scientific
Functions: 30
Keys: 33
Precision: 8
Logic: Algebraic
Display type: VFD
Power Source: 2xAA
Country: Japan
Year introduced: 1975

See other calculators by Citizen