Card Trivia:Mathmech Sigma
- This monster's silhouette appears in the artwork of "Mathmech Equation".
- This monster is based on the summation operator sigma (Σ).
- Fittingly, the jagged edges of this monster's sword and the comb on its helmet are shaped like the sigma letter.
- This monster has an upgraded Synchro form: "Geomathmech Final Sigma".
- This card is a counterpart of "Mathmech Nabla".
- This monster is based on summation (which is involved in integration), while "Nabla" is based on differentiation.