Calculator Program

This project is a command-line calculator written in C.
It reads mathematical expressions from text files and evaluates them according to standard arithmetic rules.

Student Information

Name: Edasu Yadık
Student ID: 231AEB028
University: Riga Technical University (RTU)
Course: Programming Languages (C Lab)

Features

• Supports addition (+), subtraction (-), multiplication (*), division (/), and power (**)
• Handles parentheses correctly
• Detects invalid expressions and division by zero
• Can process a single input file or all .txt files in a directory
• Automatically creates output files with the student’s name and ID

Usage

Compile

gcc -std=c11 -O2 -Wall -Wextra -o calc calc.c -lm