HP 28C Scientific Calculator from 1987 - A new beginning
18:35
Sharp PC-E500 Pocket Computer from 1989
19:49
HP 27S - HP's elegant "Do All" calculator from 1988
12:51
1 kilosubscriber celebration with the mighty hp 28S
9:20
LGR Tech Tales - The Pocket Calculator Wars
22:04
Hewlett Packard LCD calculators collection 1979-1999 - Erix Collectables #71
16:29
HP 42S Scientific Calculator from 1988
16:45
HP Prime vs TI-nspire CX II CAS | Review and Comparison
14:54