Calculator SR1 pro

New! This app is a photorealistic simulation of the "Schulrechner SR1", a pocket calculator made in GDR (German Democratic Republic / East Germany).
Compared to the original calculator only the frames around the entire device and around the display were reduced for reasons of space.

With the "Calculator SR1 pro" you enjoy a completely ad-free version of the app and support the further development of this project.

The app comprises numerous of frequently used functionalities and obeys the "order of operations".
The keys give optical (key color), acoustic (key sounds) and haptic (vibration of the device) feedback.
Furthermore, the back of the original calculator can be displayed (completely without function!