Sigma (Sum) Calculator
Just type, and your answer comes up live. Example: n^2
n =
Σ
What is Sigma?
The symbol Σ (Sigma) means “sum up”. It is used like this:
Calculation Steps
This calculator computes the sum by evaluating the expression for every integer value of n from the lower limit to the upper limit and then adding the results together.
All Functions
+, -, *, /, ^
sqrt(n), sin(n), cos(n), tan(n)
abs(n), log(n), ln(n), exp(n)
Constants
π = 3.14159…
e = 2.71828…
Why Use Sigma Notation?
Sigma notation is a compact and elegant way to represent long sums. It helps simplify mathematical expressions and is essential in calculus, statistics, and computer science.
Related Topics
- Geometric and Arithmetic Series
- Partial Sums
- Sequences and Series
- Definite Integrals