How to Use the Standard Calculator – A Complete Guide

Our Standard Calculator provides a clean, easy-to-use interface for all your basic and intermediate math needs. Whether you're calculating simple arithmetic or more complex expressions with percentages and brackets, this tool has you covered.

How to Use the Standard Calculator

Basic Operations (+, -, ×, ÷)

1. Enter numbers by clicking the digit buttons (0-9)

2. Select an operation (+, -, ×, ÷)

3. Enter the second number

4. Press "=" to see your result

Example: 12 × 5 = 60

Advanced Features

• Clear (C): Resets the calculator completely

• Backspace (←): Deletes the last entered digit

• Percentage (%): Calculates percentages
  Example: 50 + 10% = 55 (adds 10% of 50)

• Plus/Minus (+/−): Toggles between positive/negative

• Brackets ( ): For complex expressions
  Example: (2+3) × 4 = 20

Display Features

• Top line: Shows your full calculation expression

• Main display: Shows current input or final result

Why Use This Calculator?

✔ Full expression display - See your complete calculation
✔ Memory function - Continue calculations from previous results
✔ Clean interface - No distracting ads or clutter
✔ Keyboard support - Type directly or use mouse

Pro Tips

1. Use brackets to control calculation order

2. Press C between unrelated calculations

3. The backspace button lets you correct mistakes

4. Chain calculations by pressing operators before numbers

FAQ

How do I calculate percentages?

Enter your base number, then × percentage% =
Example: 200 × 15% = 30

Can I use keyboard input?

Yes! Supports number keys and +, -, *, /, Enter (=), and Backspace

Why does my decimal calculation show many digits?

We show full precision. Use rounding for cleaner results.

Conclusion

Our Standard Calculator combines simplicity with powerful features for all your everyday math needs. The clear expression display helps avoid errors and track your calculations.

Start calculating now!