HP 39&40 series

The HP 39g, HP 40g, HP 39g+, HP 39gs, HP 40gs, and HP 39gII are algebraic graphing calculators from HP produced between 2000 and 2013.

HP 39g

HP 39g

Predecessor	HP 38G
Successor	HP 39g+
Programming
Other

HP 40g

HP 40g

Predecessor	HP 38G
Successor	HP 40gs
Programming
Other

HP 39g+

HP 39g+

Predecessor	HP 39g
Successor	HP 39gs
Programming
Other

HP 39gs

HP 39gs

Predecessor	HP 39g+
Successor	HP 39gII
Calculator
Display type	LCD
Display size	131x64px
Programming
Other

The HP 39gs is by far the most common calculator in the 39/40 series. They can often be found in new or lightly used condition for around 20USD.

HP 40gs

HP 40gs

Predecessor	HP 40g
Successor	HP Prime G1
Programming
Other

HP 39gII

The HP 39gII was a major departure from the rest of the series in terms of design, with it much more closely resembling the HP 10s and the later HP Prime.

HP 39gII

Predecessor	HP 39gs
Successor	HP Prime G1
Programming
Other

See also

• HP Prime
• HP 38G
• HP 49&50 series