How to switch between Degree and Radian modes?

Click the 'DEG / RAD' toggle button above the keypad to switch between Degree and Radian angle units for trigonometric calculations.

Can I use physical keyboard keys to calculate?

Yes! Use numbers (0-9), operators (+, -, *, /, ^), Enter or = to evaluate, Backspace to delete, and Esc/C to clear.

Math & Science Studio

Pro Scientific Calculator

Full standard & advanced scientific calculator with trigonometry, logarithms, DEG/RAD angle modes, constants, factorials, and calculation history.

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Scientific Calculator FAQs

What is the difference between DEG and RAD mode?

In Degree (DEG) mode, angles are measured in degrees (0° to 360°), where sin(90) = 1. In Radian (RAD) mode, angles are measured in radians based on π, where sin(π/2) = 1. Use the DEG/RAD toggle to switch easily.

Does this calculator store history locally?

Yes! Your previous 20 calculations are saved securely in your browser's local storage so you can review and reload them anytime.