PRAXIS SCIENCE LAB / ANDROID
Scientific Calculator — Support
Help, data-removal information and a practical tester checklist.
Praxis Science Lab is the publishing brand used by Traian Anghel. For support or privacy questions, email traiananghel@gmail.com. Include the app name and version. Do not send passwords, medical records, private recordings or other sensitive information.
Report a problem
Tell us your Android version, device model, app version, what you did, what happened and what you expected. Remove personal information from attachments. Never post a tester email list or private feedback in a public repository.
Testing checklist
- Launch, calculate 2 + 3 = 5 and recover from an invalid operation with AC.
- Switch ALG/RPN, angle units and DEC/HEX/OCT/BIN; verify expected sample results.
- Open constants and conversions; save and clear calculation history.
- Change language, restart, use airplane mode and open Privacy policy from About.
Data removal
Clear calculation history in the app to remove saved results. Clear the app's storage in Android Settings or uninstall to remove its remaining local settings and records. Android cloud backup is disabled for this app. Praxis Science Lab has no server copy to restore.
Joining a test
Testing invitations and opt-in links will be supplied once a Google Play testing track is available. This page does not enroll you in a test. Report your experience honestly; no positive review is required.