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Calculator
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How to Use the Calculator
- Enter numbers using the on-screen buttons or your keyboard
- Select an operation (+, β, Γ, Γ·)
- Enter the second number
- Press = or Enter to see the result
- Toggle to Scientific mode for advanced functions
Calculator Features
- Basic Mode: Addition, subtraction, multiplication, division, percentages
- Scientific Mode: Trigonometry, logarithms, square roots, powers, constants
- Keyboard Support: Type calculations directly using your keyboard
- History: View your recent calculations
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Frequently Asked Questions
How do I use the calculator?
Click the number buttons to enter values, use operation buttons (+, -, Γ, Γ·) for calculations, and press = or Enter to get the result. Use C to clear all or β« to delete the last digit.
What's the difference between Basic and Scientific mode?
Basic mode has standard arithmetic operations. Scientific mode adds advanced functions like trigonometry (sin, cos, tan), logarithms, square root, powers, and constants like Ο and e.
How do I calculate percentages?
Enter a number, then press the % button. For example, to find 20% of 150: enter 150 Γ 20 %, which gives 30.
Can I use keyboard input?
Yes! Use number keys (0-9), operators (+, -, *, /), Enter for equals, Escape or C for clear, and Backspace to delete.