maintained
Schulrechner
io.cardijey.schulrechnerThe calculator you know from school
Latest documented release1.15.009 Jun 2026 · 3.3 MB→01 / Overview
Is Schulrechner safe?
This is a very early version in development. Unlabeled buttons will be implemented in the future, and bugs may be frequent. If you experience issues or have feature requests, please file an issue (link below). Frustrated by the lack of free, open-source scientific calculators that feel like the ones I am used to, I decided to reverse-engineer my old calculator from school. With features like: - i…
- Developer
- Joris Yidong Scholl
- Category
- Calculator
- First release
- 09 Jun 2026
- License
- Not documented
02 / Package identity
Technical fingerprint
Application ID
io.cardijey.schulrechnerLatest APK SHA-256
bb05221904723b7c1fc5f0f8cd6645231fddfc42ba64c12815b0b418a1d62e22Signing certificate
68:AB:65:2B:4D:4F:AB:1A:68:90:CC:B4:49:B1:F7:9E:6C:6C:B0:A0:81:07:CB:43:6A:25:90:38:18:76:50:98MIN ANDROID24TARGET36ARCHITECTURE
03 / History
Project timeline
Package observed in source index
Metadata and versions observed from the fdroid repository index.
04 / Version archive
Documented releases
1 TOTALVersionReleasedAndroidArchitecture
1.15.024+→05 / Safety & access
Safety verdict
Authentic — file hash matches the source indexNo ads or tracking flagged by the source
IntegritySHA-256 verified vs source
SourceOpen-source · fdroid
Permissions1 declared · 0 sensitive
Signaturepresent
Anti-featuresNo known anti-features
Sensitive accessNo sensitive permissions
Declared permissions
Tracker status: Not assessed by WIKI for Android.
06 / Sources
Evidence ledger
Each entry is a captured public reference backing this record.