Scientific Calculator Free Online — sin cos tan Hindi (2026) | ToolsArena

Scientific calculator चाहिए लेकिन हाथ में नहीं? Trigonometry solve करना हो, engineering calculations — ToolsArena का free calculator किसी भी device पर काम करता है।

Free Tool

Scientific Calculator अभी Use करें — Free!

sin, cos, tan, log, ln, exponents, factorials — किसी भी device पर।

Scientific Calculator खोलें →

sin, cos, tan Functions

Function	Example	Result
sin	sin(30°)	0.5
cos	cos(60°)	0.5
tan	tan(45°)	1

Degrees vs Radians

DEG: School/college problems (0° to 360°)
RAD: Calculus, physics (0 to 2π)

Exam में #1 गलती — DEG/RAD mode check नहीं करना!

Logarithms और Exponents

Function	Example	Result
x²	7²	49
√x	√144	12
log	log(1000)	3
ln	ln(e)	1
n!	5!	120

Logarithms कहाँ?

Compound interest — पैसे double time
Earthquake — Richter scale
Algorithms — O(log n)

Students Tips

DEG/RAD check करें — exam #1 mistake
Parentheses use करें
sin(90°) = 1 से verify
ToolsArena से practice, physical calculator exam में

Common Formulas

Quadratic: x = (-b ± √(b²-4ac))/2a
Pythagorean: c = √(a² + b²)
Compound Interest: A = P(1+r/n)^nt

How to Use the Tool (Step by Step)

1
Open Scientific Calculator
Go to ToolsArena Scientific Calculator — free, no download.
2
Check DEG/RAD mode
Ensure you are in the correct mode for your calculation.
3
Enter your calculation
Use the buttons or type your expression — trig, log, exponents, etc.
4
Get your result
The result displays instantly. Use memory functions for multi-step problems.