Math
Basic Calculator
Add, subtract, multiply or divide two numbers instantly.
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Formula
Result = first number + , -, × or ÷ second number.
How it works
Enter two numbers, choose + , - , × or ÷, and read the instant result. For example, 12 + 4 = 16, 12 - 4 = 8, 12 × 4 = 48, 12 ÷ 4 = 3.
FAQs
What does the Basic Calculator do?
It adds, subtracts, multiplies or divides two numbers you enter, showing the result straight away.
Can I divide by zero?
No. Dividing by zero is not possible, so the calculator will ask you to check your numbers instead of showing a wrong answer.
Fast results
Instant result, no sign-up.
Free to use
All tools are free.
Formula shown on the page
Each page shows the formula it uses, so you can check the result yourself.
Works on mobile
Built for phone browsers.
Start with a free calculator
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