Online Scientific Calculator – Free & Easy to Use

Our advanced online scientific calculator allows you to perform complex mathematical operations right in your browser. From basic arithmetic to trigonometry, logarithms, factorials, and constants like π and e, everything is included in a simple interface.

⚡ Key Features:

• Trigonometric functions (sin, cos, tan, and inverses)
• Logarithmic & exponential functions (log, ln, eˣ)
• Factorial, powers, and roots
• Constants π (pi) and e
• Memory functions and rounding options
• Mobile-friendly responsive design

🧮 Example Usage:

- To calculate sin(30°), type sin(30) and press =
- To calculate 5! (factorial of 5), press 5 → n!
- To find log(100), press log → 100 → =

This calculator is designed for students, engineers, teachers, and professionals who need quick and reliable scientific computations online.