Scientific Calculator
Trigonometry, logarithms, powers and roots with a keypad.
History
- Results you calculate appear here.
AdvertisementIn-content, 336×280 or responsive
How this calculator works
Type with the keypad or your keyboard. Functions like sin( and √( open a bracket; close it with ). Switch between degrees and radians with the mode button. Ans reuses your last result.
Formula
Standard order of operations: brackets, powers, multiplication and division, then addition and subtraction.
Example
In degree mode, sin(30) = 0.5 and 2^10 = 1024.
When to use it
- Trigonometry and physics homework
- Engineering estimates
- Quick checks without a handheld calculator
Frequently asked questions
Should I use degrees or radians?
Use degrees for everyday angles and most school geometry. Use radians for calculus and most physics formulas.
What is the difference between log and ln?
log is the base-10 logarithm, and ln is the natural logarithm with base e, which is about 2.718.