\(GREEK \rightarrow \alpha \beta \gamma \delta \epsilon \varepsilon \zeta \eta \theta \vartheta \iota \kappa \lambda \mu \nu \xi \varpi \rho \varrho \sigma \varsigma \tau \upsilon \phi \varphi \chi \psi \omega \Gamma \Delta \Theta \Lambda \Xi \Pi\)
just saying, but dude, why are you writing greek on a cualculator website? but to think..... i think a greek calculator would be cool. why dont you invent it someday? that would be awesome!