Sigma (Sum) Calculator
Just type, and your answer comes up live. Example: "n^2"
images/sigma2.js
What is Sigma?
| Σ | This symbol (called Sigma) means "sum up" |
It is used like this:
Sigma is fun to use, and can do many clever things. Learn more at Sigma Notation.
You might also like to read the more advanced topic Partial Sums.
All Functions
Operators
| + | Addition operator | |
|---|---|---|
| - | Subtraction operator | |
| * | Multiplication operator | |
| / | Division operator | |
| ^ | Power/Exponent/Index operator | |
| () | Parentheses |
Functions
| sqrt | Square Root of a value or expression. | |
|---|---|---|
| sin | sine of a value or expression | |
| cos | cosine of a value or expression | |
| tan | tangent of a value or expression | |
| asin | inverse sine (arcsine) of a value or expression | |
| acos | inverse cosine (arccos) of a value or expression | |
| atan | inverse tangent (arctangent) of a value or expression | |
| sinh | Hyperbolic sine of a value or expression | |
| cosh | Hyperbolic cosine of a value or expression | |
| tanh | Hyperbolic tangent of a value or expression | |
| exp | e (the Euler Constant) raised to the power of a value or expression | |
| ln | The natural logarithm of a value or expression | |
| log | The base-10 logarithm of a value or expression | |
| abs | Absolute value (distance from zero) of a value or expression | |
| fact | the Factorial function! |
Constants
| pi | The constant π (3.141592654...) | |
|---|---|---|
| e | Euler's Number (2.71828...), the base for the natural logarithm |