| Answer | Crossword Clue |
|---|---|
| RTE | Number in a shield symbol: Abbr. |
| indexes | number or symbol or expression (as an exponent) associated with another to indicate a mathematical operation to be performed or to indicate use or position in an arrangement 3 is the index of the expression ?5 to indicate the cube root of 5 |
| GCM | A number in math: Abbr. |
| RAD | A basic number in mathematics: Abbr. |
| EXP | Superscript number in math: Abbr. |
