| Answer | Crossword Clue |
|---|---|
| EQUALSIGN | Symbol in a math textbook |
| QED | Abbr. in a math textbook |
| SIGMA | Summation symbol in math |
| SIGMA | Summation symbol, in math |
| SIGMA | Sum symbol, in math |
| SIGMA | Sum symbol in math |
| TILDE | Similarity symbol, in math |
| TILDE | Symbol of equivalence, in math |
| EPSILON | Small quantity symbol, in math |
