🦁 Rawwr-culator

Features

1. Basic Operations: +, -, *, /, sin, cos, concatenation of operations
2. Extra (Online) Operation: BTC -> USD conversion (Powered by CoinDesk)
3. MVVM architecture
4. User Interface:
   • Responsive and adaptive UI (iPhone and iPad friendly)
   • Simple color scheme switch
   • Feature switch - change the visibility for each button, thanks to UIStackView
   • Error handling (functions "throw" where passible)
5. Modularity thanks to Swift Package Management (covered with tests):
   • MathLogicLeo stands for math operations
   • DatabaseLeo reads and writes data to a local file
   • CodableLeo object encoding/decoding
   • NetworkLeo simple network request
   • DesignLeo for color scheme
6. Scalability. Due to the fact, that the "database" is a simple plist file it is possible to add/remove features in future versions.

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