Basic calculator
Simple calculator with addition, subtraction, multiplication, division, brackets and percent. Works with the keyboard.
AvailableIn your browserInput: Text
How to use: Basic calculator
- Type the expression on the keyboard or press the buttons.
- Press “=” or Enter to calculate; Esc clears.
- Copy the result or review the page history.
What it accepts and what you get
- Input
- Numbers, + − × ÷, brackets and %.
- Output
- The result of the expression.
- Where your data is processed
- Your data is processed in your browser and is not sent to our servers.
Limitations and notes
- % divides by 100 (50 + 10 % = 50.1); to add a percentage use the percentage calculator.
- Dividing by zero shows a message instead of a result.
Suggested next steps
- Available
Scientific calculator
Calculator with parentheses, powers, factorial and trigonometric, logarithm and root functions. No eval.
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Percentage calculator
Work out X% of Y, what percent one number is of another, percentage change, increases and discounts.
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Scientific calculator
Calculator with parentheses, powers, factorial and trigonometric, logarithm and root functions. No eval.
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Percentage calculator
Work out X% of Y, what percent one number is of another, percentage change, increases and discounts.
AvailableIn your browser - Available
VAT / IVA calculator
Add VAT to a net amount or extract VAT from a VAT-inclusive amount. Configurable rate with 21% as an example.
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Discount calculator
Work out the final price, how much you save and, optionally, the tax applied to the discounted price.
AvailableIn your browser