Math Evaluator

Math Evaluator: Evaluate mathematical expressions with functions, constants, and operators directly in your browser.

Expression

Result


                        
                    

                


                

                    
Examples

                    

                        
                        
                        
                        
                        
                        
                    

                

            


            

                
Function reference

                
Every function, constant, and operator the evaluator supports. Click an example above to try one.

                

            


            

                
Use cases

                
Common ways to use this tool:

                
    
                    
  • Quick calculations
    Evaluate arithmetic and mixed expressions instantly without a calculator app.
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  • Trigonometry
    Compute sine, cosine, tangent and their inverses for angles in radians.
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  • Logarithms and powers
    Work with natural and base-10 logs, square roots, and exponentiation.
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  • Checking homework
    Verify the result of a formula or nested expression before submitting it.
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  • Prototyping formulas
    Test a formula quickly before hard-coding it into a script or spreadsheet.
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Frequently Asked Questions

                

                    

                        
How do I use this app?

                        
Type or paste a math expression into the Expression panel, or click an example chip. The result appears automatically. Use Clear to start over.

                    

                    

                        
Is this app free to use?

                        
Yes. The app is free to use and does not require an account.

                    

                    

                        
What happens to my input data?

                        
Your expression is evaluated entirely in your browser. Nothing is sent to a server.

                    

                    

                        
Which functions and operators are supported?

                        
Trig (sin, cos, tan, asin, acos, atan), logs (ln, log), power (sqrt, pow), rounding (floor, ceil, round), utility (abs, min, max), the constants pi and e, and the operators + - * / % ^ with parentheses. See the function reference below.

                    

                    

                        
Why am I getting an error or unexpected output?

                        
Most issues come from malformed expressions or unsupported functions. Check the function reference for supported names, verify your syntax, and use Clear before trying again.