Do you know what sigma is?
Do you know what sigma is?
oh hi there nyan~~ sigma is like a math symbol its the greek letter that looks like this Σ nyan~~ it's used for summing up values in math and stuff ꒰⑅•ᴗ•⑅꒱냥~ sometimes its used in statistics too like for standard deviation and stuff like that nyan~~ i hope that helps うふふ~ ♡にゃん~
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