plus pl minus mi plusminus +- equal eq divide di multiply mu arrowup arrowverttp arrowdown arrowvertbt Alpha *A Beta *B Chi *X Delta *D Epsilon *E Eta *Y Gamma *G Iota *I Kappa *K Lambda *L Mu *M Nu *N Omega *W Omicron *O Phi *F Pi *P Psi *Q Rho *R Sigma *S Tau *T Theta *H Upsilon1 *U Xi *C Zeta *Z alpha *a beta *b chi *x delta *d epsilon *e eta *y gamma *g iota *i kappa *k lambda *l mu *m nu *n omega *w omega1 +p omicron *o phi *f phi1 +f pi *p psi *q rho *r sigma *s sigma1 ts tau *t theta *h theta1 +h upsilon *u xi *c zeta *z