1 Portable calculator built using _app.nit_
5 * `calculator_logic` defines `CalculatorContext` with all the business logic of a calculator.
6 It takes as input operations and numbers, and outputs the text to display.
7 * `calculator` implements the portable graphical interface using the _app.nit_ framework
8 * `calculator_test` test `CalculatorContext` as a black box.
12 1. Compile with a call to `make`.
14 1. The desktop version, `bin/calculator`.
15 2. The Android version by install the APK at `bin/calculator.apk`.