Mr Calcu | Make fast, accurate calculations with ease—perfect for everyday math on any device.

Overview

The Basic Arithmetic Calculator is your go-to solution for performing essential math operations with ease. Designed for clarity and efficiency, it supports:

• Addition
• Subtraction
• Multiplication
• Division

Core Arithmetic Formulas

Addition:        a + b = c
Subtraction:     a - b = c
Multiplication:  a × b = c
Division:        a ÷ b = c  (b ≠ 0)

Real-World Use Cases

Case Study 1: Personal Budgeting

Monthly Income and Expenses:

Income: $3,200
Expenses: Rent ($1,200), Utilities ($300), Food ($500)
Calculation: 3200 - 1200 - 300 - 500 = 1200 remaining

Case Study 2: Construction Tile Estimation

Tile Dimensions and Quantity:

One tile: 2.5 ft × 1.2 ft = 3.0 sq ft
Total: 3.0 × 12 tiles = 36.0 sq ft

Edge-Case Handling

• Division by Zero: Detects and blocks undefined operations.
• Negative Multiplication: Follows sign rules (e.g., (-a) × (-b) = +ab).
• Floating-Point Precision: Up to 12 decimal places with rounding safeguard.
• Chained Expressions: Supports multiple operations in a single line using PEMDAS.
• Large Results: Automatically formats results using scientific notation when appropriate.

Extra Features

• Step-by-step result breakdown
• Calculation history panel
• Mobile and desktop optimization
• Clear/reset functionality for clean starts

Start crunching numbers now—it's free, fast, and built to simplify your day!