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Available Versions
Scientific calculator plus 991 — v7.4.7.69 - Premium
40 MB
Mar 18, 2026, 11:26 AM
How to Install
- 1 Click the Download button above to start. If blocked, tap "Install anyway" when prompted.
- 2 Go to Settings → Security → Unknown Sources and enable it to allow APK installs.
- 3 Open the downloaded APK file and tap Install. If "incompatible version" appears, try the ARM64 build.
