This study was done a few months ago. It is statistically ioncorrect, as there were not enough answers, but was done within the hpmuseum site forum community, and I am convinced that it represents a good measure of what people think about HP calcs.
People were allowed to vote for 5 calculators. The ranking was done as such :
And here is the final result... I wish HP people inspire on this inquiry to build up future models...
| Model | Points |
| 42S |
68 |
| 41C/CV/CX | 55 |
| 48S/G/GX | 41 |
| 97 | 33 |
| 35 | 21 |
| 67 | 18 |
| 32S | 16 |
| 27 | 14 |
| 15C | 13 |
| 34C | 11 |
| 27S | 10 |
| 33E/C | 10 |
| 28S/C | 9 |
| 16C | 7 |
| 29C | 7 |
| 49G | 7 |
| 9100a | 7 |
| 45 | 5 |
| 55 | 5 |
| 12C | 5 |
| 19B/BII | 5 |
| 25/25C | 5 |
| 65 | 4 |
| 19C | 3 |
| 85 | 2 |
| 11C | 2 |
| 80 | 1 |
| 21 | 0 |
| 22 | 0 |
| 70 | 0 |
| 01 | 0 |
| 10 | 0 |
| 10C | 0 |
| 18C | 0 |
| 31E | 0 |
| 32E/C | 0 |