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Calculator

Calculator

Section titled “Calculator”

A free online calculator for basic arithmetic operations including addition, subtraction, multiplication, and division.

Guide: Simple Calculator vs Scientific Calculator

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Need advanced mathematical functions? Go to Scientific Calculator →

Also available as: Simple Calculator • Arithmetic Calculator

Use Cases

Section titled “Use Cases”

This calculator is commonly used by students, professionals, and anyone needing quick arithmetic calculations for everyday tasks.

Common scenarios:

  • Students completing homework and assignments
  • Professionals making business calculations
  • Shopping and calculating discounts or sales tax
  • Budgeting and managing personal finances
  • Splitting bills and calculating tips

Supported Operations

Section titled “Supported Operations”
  • Addition (+): Add two or more numbers
  • Subtraction (-): Find the difference between numbers
  • Multiplication (×): Multiply numbers quickly
  • Division (÷): Divide with decimal precision
  • Decimal Support: Work with decimal numbers
  • Clear Functions: C (Clear All) and CE (Clear Entry)
  • Keyboard Input: Use keyboard for faster calculations

Examples

Section titled “Examples”
  • 125 + 75 = 200
  • 500 - 125 = 375
  • 25 × 4 = 100
  • 100 ÷ 4 = 25
  • 15.99 + 8.50 = 24.49
  • 50 × 0.20 = 10

Common Mistakes & Tips

Section titled “Common Mistakes & Tips”

Decimal Point Errors: Double-check decimal placement. 1.5 is different from 15.

Order of Operations: This basic calculator processes operations in order entered, not following PEMDAS. For complex calculations, use the Scientific Calculator.

Clear vs Clear Entry: C clears everything, CE only removes the last entry.

Division by Zero: Dividing by zero results in an error. Ensure your divisor is not zero.

Frequently Asked Questions

Section titled “Frequently Asked Questions”

Is this calculator free to use?

Section titled “Is this calculator free to use?”

Yes, this online calculator is completely free with no registration or download required.

Can I use the calculator on my phone?

Section titled “Can I use the calculator on my phone?”

Yes, the calculator is fully responsive and works on smartphones, tablets, and desktop computers.

Does the calculator support decimal numbers?

Section titled “Does the calculator support decimal numbers?”

Yes, you can perform calculations with decimal numbers. Use the decimal point button (.) to enter decimal values.

What’s the difference between C and CE?

Section titled “What’s the difference between C and CE?”

C (Clear) resets the entire calculation, while CE (Clear Entry) only removes the last number entered.

Can I use my keyboard to enter numbers?

Section titled “Can I use my keyboard to enter numbers?”

Yes, the calculator supports keyboard input including number keys, +, -, *, /, and Enter for equals.

Does this calculator follow order of operations (PEMDAS)?

Section titled “Does this calculator follow order of operations (PEMDAS)?”

This basic calculator processes operations in the order entered. For PEMDAS calculations, use the Scientific Calculator.

Section titled “Related Calculators”