Basic Calculator
A clean, fast calculator for everyday sums — with keyboard support.
Calculator
How to use
- 1
Tap the buttons or type on your keyboard.
- 2
Press = or Enter for the answer.
- 3
Use C to clear and ⌫ to delete.
Questions
Does it follow BODMAS?
Yes. Multiplication and division are done before addition and subtraction.
Can I use my keyboard?
Yes — numbers, + − * /, Enter, Backspace and Escape all work.
About this Calculator tool
Basic Calculator — A clean, fast calculator for everyday sums — with keyboard support. It is one of 200 free tools on namasivayam.in, made by software engineer Namasivayam Vadivelan for everyday use in India.
Everything is calculated instantly in your browser: nothing you type or upload is sent to any server, there is no sign-up, and it works on mobile and desktop. Tap the buttons or type on your keyboard.
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Results are estimates to help you plan. They are not financial, tax or medical advice.