Citizen SRP-45 programmable scientific pocket calculator from 1991

[jebem]

This one was acquired in a lot of several machines.

It sports a nice in metal face plate.



Pi constant displayed to 10-digits



Forensic test in Degrees mode (other featured options are Grad and Rad).
9 sin cos tan Inv tan Inv cos Inv sin
result displayed as = 9.00001562



Hyperbolic and Inverse functions waiting to be selected.



This is a low profile machine.
It suffered some abuse from previous owners when opening the case using brute force approach.



Label in the back cover:

Citizen
LCD Display Calculator
type: SRP-45
T.M. Licenced by Citizen Watch
Co. Ltd. Tokyo, Japan
Japan CBM Corporation
Made in Taiwan Fabrique à Taiwan