➕ Basic Math Calculator

Perform common addition, subtraction, multiplication and division calculations with two numbers. Includes the selected operation and a clear worked result.

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Enter details

Enter the first number.
Enter the second number.

Fill in the details and click Calculate to see your results.


Also available in our Android app, with charts and full breakdown tables.

📘 About the Basic Math

This calculator handles four basic arithmetic operations: addition, subtraction, multiplication and division.

Use it for quick everyday calculations, school mathematics and checking arithmetic work.

🧮 Formula

Addition
a + b
Subtraction
a - b
Multiplication
a × b
Division
a ÷ b

Where

  • a = first number
  • b = second number
The selected operation determines which arithmetic expression is evaluated.

✏️ Worked examples

Add 125 and 75

You enter
First Number125
Second Number75
OperationAddition (+)
You get
Result200

The result is 200.

Try this example →

Multiply 12 by 8

You enter
First Number12
Second Number8
OperationMultiplication (×)
You get
Result96

The result is 96.

Try this example →

🧭 How to use this calculator

What you enter

  • First NumberEnter the first number.
  • Second NumberEnter the second number.
  • Operation

What you get

  • Result

💡 When to use it

  • Checking basic arithmetic homework.
  • Adding or subtracting quantities.
  • Multiplying or dividing measurements and values.
  • Quick everyday calculations.

❓ Frequently asked questions

What operations are supported?

Addition, subtraction, multiplication and division are supported.

Can I use decimal numbers?

Yes. The calculator accepts decimal and other numeric values.

What happens if I divide by zero?

The current formula engine returns 0 for division by zero rather than producing an undefined result.