Calculator-CLI.md

Calculator CLI

Tier: 2-Intermediate

Create a basic calculator with addition feature.

User Stories

• User can add multiple numbers using add command.
• User can add floating numbers using the -f flag.
• User can add only even/odd numbers using even/odd sub-command.
• User can use --help or -h flag to get all the available commands and flags.

Note: The stories 1 and 2 are basically for static typed language, where passed arguments must be of same type.

Bonus Features

• User can use all the basic arithmetic operations like (addition, subtraction, multiplication and divison).
• User can use --help or -h flag to get the sub-commands of command.
• Power of and Square Root of operation.

Useful links and resources

• 5 keys to create a killer CLI in Go
• How to build a CLI tool in NodeJS ?
• Build a Command Line Interface (CLI) Application with Node.js
• Building Beautiful Command Line Interfaces with Python
• How to create a CLI in golang with cobra
• Building a Network Command Line Interface in Go

Example projects

• my-calc