A simple calculator app write with react native (js) The principal file is App.tsx ( write in Typescript ) NB: Please , before use , install android or iphone emulator on your computer and enable virtualisation Follow instructions to run on your computer: 1)Open terminal in folder where place of project and run command: npx create-expo-app AwesomeProject -t 2)Choose template typescript and follow the instructions 3)Copy and replace all the file of this repository 4)run in your android emulator using command: npm run android