SmartProCal

Smartprocal is a polished, user-friendly calculator app built for speed and clarity. It combines a fast basic calculator with a powerful scientific mode, a BMI health calculator, matrix tools for quick linear-algebra tasks, and a flexible unit converter — all in one compact package.

Key highlights:
- Clean, modern Material 3 UI with multiple themes and animations.
- Scientific functions: trig, logs, powers, roots, constants (π, e), and expression parsing with parentheses.
- History & share: save calculation history locally and share results quickly.
- BMI Calculator: age, gender-aware BMI & body-fat estimates with simple health guidance.
- Matrix tools: determinant, transpose, trace, and basic multiplication for 2x2 and 3x3 matrices.
- Unit converter: length, mass, volume, temperature, speed, and more.
- Settings: theme selection, haptic feedback toggle, and local storage with instant state restoration.

Permissions and privacy:
- No account required — local storage only (GetStorage) for history and settings.
- Optional sharing uses system share sheet; no background network access unless you add features that require it.
- Provide a privacy policy URL in the Play Console before publishing.

Perfect for students, engineers, and anyone who needs a fast, reliable calculator with extra tools