| Answer | Crossword Clue |
|---|---|
| ORD | Kind of number: Abbr. |
| ARABIC | Kind of number |
| ORDINAL | Kind of number |
| IMAGINARY | Kind of number |
| ORDINAL | Kind of number. |
| REAL | Kind of number |
| ODD | Kind of number |
| WRONG | Kind of number |
| EVEN | Kind of number |
| SERIAL | Kind of number |
| MACH | Kind of number |
| ATOMIC | Kind of number |
| FAX | Kind of number |
| ATOMIC | Kind of clock or number |
| ATOMIC | Kind of number or clock |
| ATOMIC | Kind of weight or number |
| EIGHTOO | Kind of long-distance number |
| ATOMIC | Kind of number or weight |
| ATOMIC | Kind of number or energy |
| ATOMIC | Kind of number in chemistry |
| FAX | Kind of number not much seen nowadays |
