Menu Driven Calculator

A simple Java console application that performs basic arithmetic operations using a menu-driven interface.

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Features

• Supports addition, subtraction, multiplication, division, modulus, exponentiation, and square root operations.
• Reuses last calculation result via the "ans" input.
• Validates user inputs with friendly error messages.
• Clean and modular code structure guided by a flowchart.

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Flowchart Overview

This project follows a structured flow: See the detailed flowchart in the FLOWCHART.md file for full explanations.

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Getting Started

Prerequisites

• Java Development Kit (JDK) installed
• Terminal or command prompt

Compile and Run

javac Calculator.java
java Calculator