// Free Online Tool

Scientific Calculator

Full-featured scientific calculator with trig functions, logarithms, powers, roots, and constants pi and e. Works on any device, no app needed.

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// Overview

ABOUT THE SCIENTIFIC CALCULATOR

Our Scientific Calculator handles basic arithmetic and advanced mathematics including trigonometry (sin, cos, tan), logarithms (ln), powers, square roots, and constants (pi, e). Designed for students, engineers, and professionals who need an advanced calculator without installing an app.

Trig functions accept degrees — the familiar system. No manual radian conversion needed. The calculator supports chained expressions, brackets for order of operations, and all standard scientific functions used in Class 11-12 Physics and Mathematics.

// Functions

BUTTON REFERENCE

  • sin/cos/tan: Trigonometric — enter angle in degrees
  • ln: Natural logarithm (base e)
  • sqrt: Square root
  • pi: 3.14159... e: 2.71828...
  • x^y: Power/exponent (2**8 = 256)
  • |x|: Absolute value | %: Modulus

// Tips

TIPS

  • Trig functions accept degrees directly — sin(30) = 0.5
  • Use brackets for correct order of operations
  • For log base 10: Math.log(x)/Math.log(10)

// FAQ

FREQUENTLY ASKED QUESTIONS

What is sin 30 degrees?
0.5. Click sin, type 30, type ), press =.
Square root of 144?
Click sqrt, type 144, ), press =. Result: 12.
What is pi?
3.14159265358979...
Can I use this for Class 11-12?
Yes. Handles all trig, logarithm, exponent and root functions needed.

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