calculators

Create a calculator of any kind in any language, create a pr.

• Create a calculator of any type using the programming language of your choice, make sure it works as intended.
• Keep everything in one folder along with a README.md containing author details (and optional instructions).
• Create a pull request in this repo with above created folder.
• One or two images are appreciated.
• You submission should not be a direct copy of other submissions (although it can have same functionality).