|Power consumption||3xN 1.5 volt batteries|
|Dimensions||Length 15.9cm, Width 9.4cm (closed), 18.9cm (open) Height 1.8cm (closed).|
HP-19B, introduced on January 4, 1988, along with the HP-17B, HP-27S and the HP-28S, and replaced by the HP-19BII (F1639A) in January 1990, was a simplified Hewlett Packard business model calculator, like the 17B. It had a clamshell design, like the HP-18C, HP-28C, 28S.
- "HP Calculators By Model Type: Champion/Clamshell". Retrieved 2010-12-28.
- "HP Calculators by Date of Introduction". 2003-01-22.
- "HP Page of Christoph Giesselink". 2010-08-31. Retrieved 2010-12-28.
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