Simple bison calculator

Simple bison calculator for Class : CAU-2020-2 Automata And Formal Theory - Midterm Exam Assignment2

Notice

• Compiled in bison https://www.gnu.org/software/bison/manual/bison.html and gcc
  
• Written in Visual Studio Code
  
• DO NOT COPY

Contents

1. Binary operator : + , - , * , /
2. Unary operator : % , ^
3. Parenthesis : ( , )
4. Last result : _
5. Unary operator sequence : ex. -----------2, ++++++++++2, -+-+-+-+-+2
6. Operator sequence : ex. 2------------3, 2+-+-+-+-+_3
7. Comply operator precedence : ex. 2^3^2 == 512 (^ is right associative), 1+23 == 7 ( is prior to +)