Scientific Calculator – Advanced Math Online Free
Perform advanced calculations with trigonometric, logarithmic, and exponential functions. 100% free · Instant results · Works in your browser.
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How to Use Scientific Calculator (3 Easy Steps)
- Click the buttons to build your expression
- Use scientific functions like sin, cos, log, √, etc.
- Press “=” to calculate the result instantly
Frequently Asked Questions
Is this scientific calculator free?
Yes – 100% free, unlimited use, no signup required.
What functions are supported?
Basic operations, parentheses, sin/cos/tan, log/ln, π, square, square root, and power.
Is it accurate?
Yes! Uses JavaScript’s Math library for precise calculations.
Can I use keyboard input?
This version uses buttons for best mobile experience. Results appear instantly.
Does it handle errors?
Yes, invalid expressions show an error message.