Simple online calculator
Type your calculation with the keyboard, with brackets if you need them. The answer updates as you type.
Result
21Result
- Read as
- 12 + 3 × (10 − 4) ÷ 2
Inputs
- Your calculation
- 12 + 3 × (10 − 4) ÷ 2
How it is calculated
Brackets are worked out first.
Result
Result
- Read as
- 12 + 3 × (10 − 4) ÷ 2
How it is calculated
- Brackets are worked out first.
- Then powers ^, then × and ÷, then + and −, from left to right.
- x% means x ÷ 100: 200 × 10% = 20.
Example
12 + 3 × (10 − 4) ÷ 2 = 12 + 3 × 6 ÷ 2 = 12 + 9 = 21.
Good to know
- About 15 exact digits: very large numbers are rounded.
- For sines, roots and logarithms, use the scientific calculator.
Frequently asked questions
What is this tool used for?
Type your calculation with the keyboard, with brackets if you need them. The answer updates as you type.
How is the result calculated?
Brackets are worked out first.
What should I check before using the result?
About 15 exact digits: very large numbers are rounded.