# Manuals/calci/SIGMA

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SIGMA()

## Description

• This function shows the sum of the numbers.
• In shows the sum of the first ten numbers.
• Sigma is the eighteenth letter of the ancient Greek alphabet.
• As an upper case letter (Sigma), it is used as a symbol for sums and series.
• It is showing the sum of the first ten numbers,which is 1+2+3+...+10=55.

## Examples

1. SIGMA() = 55

Sigma