Smart Calculator

A terminal-based interactive calculator which supports the following:

• Basic arithmetic: addition, subtraction, multiplication and division,
• The use of parentheses,
• Variables.

Example

a = 2
b = 10
a * b - 7
13.0
a * (b - 7)
6.0
6 + 370 / 85 - 8
2.352941176470587
/exit
Bye! 

Motivation

This was written as a learning exercise following the below JetBrains Academy task.

TASK: JetBrains Academy | Java Developer | (https://hyperskill.org/projects/42?track=1)

Task status: Complete