| Answer | Crossword Clue |
|---|---|
| PIE | Circular type of graph |
| IDIO | Type of graph |
| SEMILOG | Type of graph paper |
| nomogram | a type of graph |
| nomograms | NOMOGRAM, a type of graph |
| waveform | a type of mathematical graph |
| waveforms | WAVEFORM, a type of mathematical graph |
| strophoid | a type of curve on a graph |
| strophoids | STROPHOID, a type of curve on a graph |
