Scientific Calculator Online Free
Solve advanced math calculations online for free. Use trigonometry, logarithms, powers, square roots, factorials, constants and standard arithmetic in your browser.
Calculation History
2+2, 10/4, sin(30), cos(60), sqrt(144), log(100), ln(e), 2^8, 5!, pi*2
How to Use the Scientific Calculator
Run advanced calculations in three simple steps.
1. Enter expression
Type or tap numbers, operators and scientific functions.
2. Choose angle mode
Use DEG or RAD for trigonometric calculations.
3. Calculate result
Press equals to solve and save the calculation to history.
Advanced math calculations in your browser.
This Scientific Calculator helps students, teachers, engineers and everyday users solve arithmetic, trigonometry, logarithms, powers, roots, constants and factorials without installing software.
You can calculate expressions, switch between degree and radian modes, use inverse trigonometry, keep a calculation history and copy the final result instantly.
What is a scientific calculator?
A scientific calculator performs standard arithmetic plus advanced functions such as trigonometry, logarithms, powers, roots, factorials and constants.
It is useful for school, engineering, science, finance, technical work and quick advanced math problems.
When should you use it?
- Solving arithmetic and algebra expressions
- Calculating sine, cosine and tangent
- Using logarithms, powers and roots
- Working with pi, e and factorials
- Checking formulas in degree or radian mode
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Scientific Calculator FAQ
Common questions about using this online scientific calculator.
What functions does this Scientific Calculator support?
It supports arithmetic, parentheses, powers, square roots, logarithms, trigonometry, constants, percentages and factorials.
Can I calculate trigonometry in degrees?
Yes. Use DEG mode for degrees or RAD mode for radians.
Can I type expressions with my keyboard?
Yes. You can type expressions directly in the calculator input and press Enter to calculate.
Is this Scientific Calculator free?
Yes. This online Scientific Calculator is free to use.
What is the difference between DEG and RAD?
DEG calculates trigonometric functions using degrees. RAD calculates them using radians.
Can I use inverse trigonometry?
Yes. Turn INV on to use inverse sine, cosine and tangent functions.
Does the calculator save history?
Yes. Recent calculations appear in the calculation history panel while the page is open.
Does it work on mobile?
Yes. This scientific calculator works on desktop, tablet and mobile browsers.