Basic calculator
Apply one arithmetic operation to two numbers.
Formula
Result = a + b, a − b, a × b or a ÷ b
Result ≈ (12)+(3)
How to use
- Enter the first number.
- Choose the operation and second number.
- Read the result.
Examples
- 12 + 3 = 15.
- 7 ÷ 2 = 3.5.
Frequently asked questions
Can I use negative numbers?
Yes. Both number fields accept negative values.
Can I enter a whole expression?
Use two numbers and one selected operation at a time.
What happens when dividing by zero?
The operation is undefined and produces an error.
Sources
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