Online Calculator
Basic and scientific calculator
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About this tool
Use the basic keys for everyday sums or switch on the scientific keys for powers, roots, logarithms and trigonometry. Brackets and order of operations are handled for you, and you can type with your keyboard.
The formula
Order of operations: brackets → powers → × ÷ → + −
Worked example2 + 3 × 4 = 14, because multiplication is done before addition.
Frequently asked questions
Does it follow the order of operations?
Yes. Brackets first, then powers and roots, then multiplication and division, then addition and subtraction.
How do I switch between degrees and radians?
Use the DEG/RAD toggle. It affects sin, cos and tan and their inverses.
Can I use the keyboard?
Yes. Type numbers and operators, press Enter for equals and Escape to clear.
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