The calculator dapp is a solana program that runs normal calculator commands to set up and run the program you need; Required: Linux or mac machine, for windows users you need WSL
Rust installed => curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
solana installed in your machine => sh -c "$(curl -sSfL https://release.solana.com/v1.10.32/install)"
nodejs installed => npm install -g npm
Anchor installed => cargo install --git https://github.com/coral-xyz/anchor avm --locked --force
To run the program (node index.js) and to run test scripts (Anchor test)