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HP Prime Sto
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11182013 08:41 PM
I can't seem to do a simple task with the HP Prime. I just want to store a number in a variable while in RPN mode. How do I do it?
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Re: HP Prime Sto
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11192013 05:27 AM
Hi,
Enter the number onto the stack. Type 'A', remember to use the ' ' (SHIFT on the ( ) button) then SHIFT STO (on the EEX button).
HTH
Note, I do not work for HP, I just like playing with calculators :)
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11192013 11:56 AM
Re: HP Prime Sto
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11192013 01:55 PM
I'm not sure it's made clear in the manual. Also on the Prime in RPN mode, any algebraic expression (e.g. a function in an app) needs to be entered with the ' ' .
By the way, there is a manual available that may be newer than that shipped with the Prime:
http://h30499.www3.hp.com/hpeb/attachments/hpeb/bs
(all are edition 1, but the date on p3 is different)
The 50g often automatically puts the ' ' in. The Prime needs it explicitly put in when using RPN.
From this we can see that the 50G is an RPN calculator with Algebraic Mode added on. The Prime is an algebraic calculator with RPN added on.
By the way, a caution, the Spreadsheet App is not stable when using RPN mode.
Happy calculating.
Note, I do not work for HP, I just like playing with calculators :)
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12062013 11:55 AM
I am in RPN mode:
why can i not store 25 gal/min into a variable?????
why can i not create the following formula in the solve app?
PRESSURE * FLOW = POWER
and enter units for each of the above variables to have the calculator solve for power and show the result in horsepower?
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12062013 12:01 PM
I am in RPN mode:
why can I not store 25 gal/min into a variable named FLOW???
why can I not create the following formula in the solve app?
PRESSURE * FLOW = POWER
and enter units for each of the above variables to have the calculator solve for power and show the result in horsepower?
i am totally fustrated!!! this should be basic stuff for the HP Prime Calculator
Re: HP Prime Sto
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12062013 04:47 PM  edited 12072013 10:44 AM
Hi
Please see the following thread:
http://www.hpmuseum.org/cgisys/cgiwrap/hpmuseum/a
Note, I do not work for HP, I just like playing with calculators :)
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03162014 03:04 AM
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03162014 06:01 AM
Re: HP Prime Sto
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03182014 01:01 AM  edited 03192014 09:29 AM
The easiest way to find the log of X base Y is LOG(X,Y). Example: LOG(81,3) returns 4, because the log of 81 (base 3) is 4. In Home, this is the easiest way because LOG and comma are primary keys.
Hint: in Home, press the Help key, then tap the Keys button, then press the LOG key. Cool, huh?
You can also use the logb command, which looks nicer in Textbook Display mode. It's the secondtolast item on the template key (next to the Toolbox key).
Caution: In CAS, LOG(x,y) must be spelled in uppercase, and logb(x,y) must be spelled in lowercase. In Home, it doesn't matter.
Hope that helps!