Most common calculators in the forum?

[Giuseppe Donnini]

1 x HP-41CX Honeynut (not in use anymore)

1 x HP-71B Titan (moderately in use)

CLAMSHELL Business (rarely in use)
1 x HP-18C Champion
1 x HP-19BII Tycoon II

CLAMSHELL Scientific (moderately in use)
1 x HP-28C Paladin
1 x HP-28S Orlando

PIONEER Business (almost never in use)
1 x HP-10B Ernst
1 x HP-14B Midas
1 x HP-17BII Trader II

PIONEER Scientific (almost never in use except for the 42S)
1 x HP-20S Erni
1 x HP-21S Montecarlo
1 x HP-22S Plato
1 x HP-27S Mentor
1 x HP-32S Leonardo
1 x HP-42S Davinci

CHARLEMAGNE
1 x HP-38G Elsie (never in real use, but internals are very interesting)

1 x HP-48S Shorty (never in use, spare parts reserve)
1 x HP-48G Alcuin (never in use, spare parts reserve)

3 x HP-48SX Charlemagne w/ 2 x 128KB cards (heavily in use)
1 x HP-48GX Hammer w/ 128KB & 1MB cards (daily in use)
1 x HP-48GX Hammer w/ 128KB & 2MB cards (daily in use)
1 x HP-48GX Hammer w/ 128KB & 4MB cards (daily in use)