HP 50G vs. HP Prime

[RPL Calcs]

Cheers,

50G vs Prime

In 50G, it can be attributed greater number of functions to user keyboard (up to 11 functions).
In the Prime think are just 3.
A pro more to 50g.

Normal FUNCTION
[LS]+[FUNCTION]
[RS]+[FUNCTION]
[Alpha]+[FUNCTION]
[Alpha]+[LS]+[FUNCTION]
[Alpha]+[RS]+[FUNCTION]

[LS]&[FUNCTION]
[RS]&[FUNCTION]
[Alpha]&[FUNCTION]
[Alpha]+[LS]&[FUNCTION]
[Alpha]+[RS]&[FUNCTION]

[LS] - Left-Shift
[RS] - Right-Shift
& - It indicates that the keys are pressed simultaneously


Regarding the batteries's lifespan ....
The prime the battery can be replaced? What kind is it?
A pro more to 50g. And a pro more also for the HP 35A (1972)


PROCESSORS:
according with HP Collection the models
hp 48SX/S use Saturn Clarke, 2MHz,
hp 48G/GX/G+ and 49G use Saturn Yorke, 4MHz

http://www.hp-collection.org/calculators.html

Best regards,