| Answer | Crossword Clue |
|---|---|
| ONE | Number that is its own square root |
| ONE | Number that's its own square root |
| ONE | Number whose square equals its square root |
| ONE | Number that's its own square |
| ONE | It is its own root |
| mathematics | The abstract science of number, quantity, and space. Mathematics may be studied in its own right (pure mathematics), or as it is applied to other disciplines such as physics and engineering (applied mathematics) |
