LaTeX Sigma (Capital) (Σ) - Complete Guide
Uppercase Sigma (Σ) is the summation symbol used extensively in mathematics.
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Sigma (Capital)
LaTeX Code
No package required
\SigmaUppercase Sigma - summation
Table of Contents
What is the LaTeX Sigma (Capital)?
The uppercase Sigma (Σ) represents the summation of a series and is one of the most commonly used symbols in mathematics. It appears in formulas for sums, series, and statistical calculations.
How to Use Sigma (Capital) in LaTeX
Method 1: Using \Sigma
✅No package required
Uppercase Sigma - summation
Example: Using \Sigma
\documentclass{article}
\begin{document}
% Using the Sigma (Capital)
Text with \Sigma
\end{document}Common Use Cases
The Sigma (Capital) symbol is commonly used in the following contexts:
Summation
Used for representing sums.
Code
Sum: $\Sigma_{i=1}^{n} i$Output
Sum: Σ(i=1 to n) i
Complete Examples
Summation Formula
Summation formula using uppercase Sigma
\documentclass{article}
\begin{document}
The sum of the first $n$ natural numbers: $\Sigma_{i=1}^{n} i = \frac{n(n+1)}{2}$
\end{document}Frequently Asked Questions
Which method should I use?
We recommend using the method marked as "Recommended" above. However, the best method depends on your specific needs:
- \Sigma: Uppercase Sigma - summation
Where do I use this symbol?
This symbol can be used:
- In mathematical equations (math mode)
- In regular text (if using text mode)
- In various document environments
Can I use this in display mode?
Yes, symbols that work in math mode (between $ $) also work in display mode (between $$ $$). This allows you to display the symbol on its own line with larger formatting.
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