Free summation calculator for sigma notation. Enter any expression in i, set the start and end, and get the sum and terms instantly.
Intro: Our Summation Calculator solves sigma (Σ) notation problems in one click. Type any expression in i, such as i^2, 2i+1 or 1/i, choose the start and end values, and get the total sum, the number of terms and the first few terms. It’s ideal for students and teachers working through series, sequences and algebra homework.
Summation Calculator (Sigma)
Supported: + - * / ^ ( ), pi, e, sin, cos, tan, asin, acos, atan, sqrt, abs, ln, log (base 10), exp, floor, ceil, round, fact(n), pow(a,b), min, max. Up to 1,000,000 terms.
How to use:
- Enter your expression using i as the variable, or tap a quick preset.
- Set the start value, the end value and the step.
- Click “Calculate Sum”.
- Review the total, the number of terms and the first terms of the series.
FAQs:
Q: What is summation notation?
A: Sigma notation is a compact way to write the sum of a sequence of terms.
Q: Which functions are supported?
A: Basic operators plus sin, cos, tan, sqrt, abs, ln, log, exp, floor, ceil and factorial fact(n).
Q: How many terms can it add?
A: Up to 1,000,000 terms at once.
