A simple online calculator for adding, subtracting, multiplying and dividing.
How this calculator arrives at its answer
This is a straightforward on-screen calculator for everyday arithmetic. Tap the buttons to build a calculation and press equals for the result, just like a pocket calculator.
For advanced functions, see the exponent, log, root and scientific notation calculators.
Using the calculator
- Tap digits and an operator.
- Enter the next number.
- Press = for the result, or Clear to start over.
Formula reference
performs +, −, × and ÷ in the order you press them
FAQ
How does the basic calculator work?
It applies each operation in sequence as you enter it, like a standard pocket calculator.
Does it follow order of operations?
Like most basic calculators, it works left to right rather than applying algebraic precedence.
What about advanced math?
Use the dedicated exponent, root, log and scientific notation calculators for those.