Scientific Calculator
Trig, logs, powers, roots and factorials in one calculator. Free, private and runs in your browser.
About Scientific Calculator
Scientific Calculator handles everyday sums and advanced maths: sine, cosine, tangent and their inverses, logarithms, powers, square roots, factorials, brackets, pi and e. Switch between degrees and radians and reuse the last answer with Ans.
How to use Scientific Calculator
- Type an expression or use the keypad, for example sin(30)+2^3.
- Choose DEG or RAD for trigonometry.
- Press = or the Enter key to see the answer.
When is Scientific Calculator useful?
- Solve school and college maths problems
- Check trigonometry and logarithm answers
- Do quick engineering calculations
Frequently asked questions
What is the difference between DEG and RAD?
DEG measures angles in degrees, so sin(30) is 0.5. RAD measures in radians, so sin(pi/2) is 1.
What does log mean?
log is the base-10 logarithm and ln is the natural logarithm, base e.
Is Scientific Calculator free to use?
Yes. Scientific Calculator is free, with no sign-up and no usage limits.
Is my data sent to your servers?
No. The work is done in your browser on your own device, so nothing you use here is sent to our servers.
Privacy and safety
Scientific Calculator runs entirely in your browser. What you enter or choose never leaves your device and nothing is kept after you close the page.