About this scientific calculator
Evaluate common mathematical expressions with functions, constants, and optional degree-mode trigonometry.
How to use it
Enter the values requested by the calculator. Results update in your browser as you change the inputs. Review the assumptions shown on the calculator before using the result.
Formula
depends on the expression entered
Example
Use parentheses to make the order of operations explicit. The calculator does not use JavaScript eval for expression parsing.
Frequently asked questions
What does the scientific calculator show?
Evaluate common mathematical expressions with functions, constants, and optional degree-mode trigonometry.
Are the results exact?
The result is calculated from the inputs and assumptions shown on this page. For important financial, health, tax, or legal decisions, verify the result with an appropriate professional or authoritative source.