OneCalcPlus is a professional-grade Android calculator application built with a high-end editorial aesthetic known as "Kinetic Brutalism." It features a deep obsidian palette, sophisticated typography, and a suite of powerful conversion tools.
- Adaptive Unified Layout: Seamlessly switch between a simple portrait calculator and an expanded scientific mode via a dedicated toggle.
- Scientific Mode: Access advanced functions (sin, cos, log, sqrt, etc.) in a side-by-side balanced grid.
- Comprehensive Conversion Suite:
- Unit Conversions: Length, Weight, Volume, and Temperature (Celsius to Fahrenheit).
- Kitchen Conversions: Culinary measurements like Cups, Tbsp, and Sticks of Butter.
- Currency Conversions: Real-time interactive conversion between major global currencies (USD, EUR, GBP, JPY, CAD, AUD).
- Custom Currency Converter: Mix and match any two supported currencies using dual dropdown menus.
- Modern Android Architecture: Built with Jetpack Compose, Kotlin Coroutines (StateFlow), and a strictly decoupled Clean Architecture pattern.
- High-Precision Arithmetic: Utilizes
BigDecimalto ensure absolute mathematical accuracy, avoiding common floating-point errors.
The project includes a comprehensive suite of unit tests covering:
- Standard arithmetic operations.
- Scientific function accuracy.
- Conversion logic and reciprocal factors.
-
Standard Calculator
-
Scientific Calculator
- Multiple Conversion Selections
./gradlew test