Summation (Sigma) Calculator
Add up an expression for i from a start value to an end value — sigma notation, evaluated.
Sum
385
- Number of terms
- 10
- First terms
- 1 + 4 + 9 + 16 + 25 + 36 + 49 + 64 + …
Show the work
Add f(i) for i = 1 to 10
Σ f(i), f(i) = i^2
1 + 4 + 9 + 16 + 25 + 36 + 49 + 64 + … = 385
How it works
Σ f(i) for i = start … end, adding f(start) + f(start + 1) + … + f(end)
Questions
- How does the summation (sigma) calculator work?
- Σ f(i) for i = start … end, adding f(start) + f(start + 1) + … + f(end).
- What do I need to enter?
- Expression in i, From i =, To i =. Optional fields can be left blank.
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