hp prime calculations with units
08-06-2021, 10:04 PM (This post was last modified: 08-07-2021 09:29 AM by giubin.)
Post: #1
 giubin Junior Member Posts: 16 Joined: Oct 2018
hp prime calculations with units
Hi, there's some way to solve this calculus with units solved? Newton in this case? thanks.
(10_(kg)*2_(m)) / 1_(s^2).

On the ti-nspire (and numworks do the same) i've 20 _N. With hp prime the result is 20 (kg*m)/s^2.
08-14-2021, 03:48 PM
Post: #2 cahlucas Member Posts: 157 Joined: Mar 2016
RE: hp prime calculations with units
(08-06-2021 10:04 PM)giubin Wrote:  Hi, there's some way to solve this calculus with units solved? Newton in this case? thanks.
(10_(kg)*2_(m)) / 1_(s^2).

On the ti-nspire (and numworks do the same) i've 20 _N. With hp prime the result is 20 (kg*m)/s^2.

Dear Giubin,
You must use the "CONVERT" command to get the correct unit. Go to [Shift], [Units], where you will find a soft menu key called "Tools". Click on that, and you need the top command: "CONVERT". Use it like this: CONVERT(20 (kg*m)/s^2; 1_N), and it will give you the right answer: 20_N. Sincerely, Karel.

I use HP-16C, WP-34S emulator, HP-35s, HP-48GX, HP-50g, and HP Prime G2.
08-14-2021, 04:34 PM
Post: #3
 froehlic Junior Member Posts: 15 Joined: Jan 2016
RE: hp prime calculations with units
(08-06-2021 10:04 PM)giubin Wrote:  Hi, there's some way to solve this calculus with units solved? Newton in this case? thanks.
(10_(kg)*2_(m)) / 1_(s^2).

On the ti-nspire (and numworks do the same) i've 20 _N. With hp prime the result is 20 (kg*m)/s^2.

Hi Giubin,
another way is to use USIMPLIFY() which simplyfies the given unit in fact you don't know what unit that is.

Best regards
Frank
08-18-2021, 02:09 PM
Post: #4
 giubin Junior Member Posts: 16 Joined: Oct 2018
RE: hp prime calculations with units
(08-14-2021 04:34 PM)froehlic Wrote:
(08-06-2021 10:04 PM)giubin Wrote:  Hi, there's some way to solve this calculus with units solved? Newton in this case? thanks.
(10_(kg)*2_(m)) / 1_(s^2).

On the ti-nspire (and numworks do the same) i've 20 _N. With hp prime the result is 20 (kg*m)/s^2.

Hi Giubin,
another way is to use USIMPLIFY() which simplyfies the given unit in fact you don't know what unit that is.

Best regards
Frank

Thanks, USIMPLIFY() is nice, but is strange that ti-nspire "solve" units automatically. That is a nice "simplify" Thanks, Giuseppe.
08-18-2021, 02:10 PM
Post: #5
 giubin Junior Member Posts: 16 Joined: Oct 2018
RE: hp prime calculations with units
(08-14-2021 03:48 PM)cahlucas Wrote:
(08-06-2021 10:04 PM)giubin Wrote:  Hi, there's some way to solve this calculus with units solved? Newton in this case? thanks.
(10_(kg)*2_(m)) / 1_(s^2).

On the ti-nspire (and numworks do the same) i've 20 _N. With hp prime the result is 20 (kg*m)/s^2.

Dear Giubin,
You must use the "CONVERT" command to get the correct unit. Go to [Shift], [Units], where you will find a soft menu key called "Tools". Click on that, and you need the top command: "CONVERT". Use it like this: CONVERT(20 (kg*m)/s^2; 1_N), and it will give you the right answer: 20_N. Sincerely, Karel.

Thanks, as suggested, maybe USIMPLIFY() is the answer for my "problem"! Sorry btw, i'm new with hp prime.

Many thanks, Giuseppe.
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