Click the number buttons or type on your keyboard to enter numbers.
2
Use the operation buttons (+, -, ×, ÷) to perform calculations.
3
Press "=" or Enter on your keyboard to calculate the result.
4
Use "C" or Escape key to clear the display.
5
Use parentheses "( )" for complex calculations.
About Standards Calculator
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Our Mission
Standards Calculator was created to provide a simple, fast, and reliable calculator that works seamlessly across all devices.
We believe everyone should have access to a quality calculation tool without distractions or unnecessary complexity.
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Key Features
Full keyboard support for fast calculations
Clean, intuitive interface
Works offline after first load
No ads or tracking
Completely free to use
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Privacy Focused
Unlike many online calculators, Standards Calculator doesn't track your calculations or personal data.
All computations happen in your browser, with no data sent to our servers.
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Accessible Anywhere
Standards Calculator works on all modern browsers and devices. Whether you're on a phone, tablet, or computer,
you'll get the same great calculation experience.
Frequently Asked Questions
How do I perform basic calculations?+
Simply enter your numbers and operations (like 5+3) and press the equals (=) button or Enter key to get the result.
Can I use keyboard for calculations?+
Yes! You can use your keyboard to enter numbers, operators, and parentheses. Press Enter to calculate, Escape to clear, and Backspace to delete.
How do I clear the calculator?+
Press the "C" button or the Escape key on your keyboard to clear the display completely.
Does the calculator support decimal numbers?+
Yes, you can use the decimal point (.) button to input decimal numbers like 3.14 or 0.5.
Can I perform calculations with parentheses?+
Absolutely! Use the parentheses buttons to group operations, like (2+3)*4 which equals 20.