Κ Kappa (cap-pah) Λ Lambda (lamb-dah) Μ Mu (mew) Ν Nu (new) Ξ Xi (zie or zee) Ο Omicron (om-e-cron) Π Pi (pie) Ρ Rho (roe) Σ Sigma (sig-mah) Τ Tau (taw) Υ Upsilon (youp-si-lon) Φ Phi (fie or fee) Χ ...

Black color hand drawing of number letter and mathematics symbol on white background Black color hand drawing of number letter and mathematics symbol on white background sigma pi stock illustrations ...

third letter of the Greek alphabet, value... Sigma lowercase symbol, third letter of the Greek alphabet, value of three, finance and mathematics symbol Sigma lowercase symbol, third letter of the ...

Here is everything we know about what it all means. Thought it was the 18th letter of the Greek alphabet? You would be wrong.

Some know “sigma” as the 18th letter of the Greek alphabet but it’s also teen slang for a cool dude. According to Know Your ...