Free Online Calculator
The free Basic Calculator
A simple online calculator for everyday sums. Free online, no download, on AZRS.
- Free to use
- No signup
- Nothing to install
- Works in any modern browser
Free to use
No signup
37.5Example result (percent of an amount)
Illustration. Open the tool for the real thing.
See it in action
Shown running with its default sample values

Explained
What is the Basic Calculator?
A simple online calculator for everyday sums.
A simple online calculator for everyday sums. Free online, no download, on AZRS.
Basic modeResultResult
3 steps to your result
Open the tool and follow along. Nothing to install.
1
Open the Basic mode.2
Type or tap numbers and operators.3
Read the result.What you get
Basic mode
One of the 10 modes in the AZRS calculator.
Free to use
AZRS tools are free to open and use.
Nothing to install
It opens in your browser, so there is nothing to download.
How it compares
A plain look at this tool next to the usual alternative.
| This calculator | Desktop software | |
|---|---|---|
| Install | Nothing to install | Usually an app or program to install |
| Account | No signup | Depends on the product |
| Cost | Free to use | Free or paid, depends on the product |
Questions people ask
Is the Basic Calculator free?
Yes. It is free to open and use on AZRS.
Do I need to install anything?
No. It runs in your browser.
How do I use the Basic Calculator?
1. Open the Basic mode. 2. Type or tap numbers and operators. 3. Read the result.
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