>HMS doesn't work properly

04072023, 05:19 PM
Post: #1




>HMS doesn't work properly
Hi everyone,
I have a problem with the >HMS function. My angle is: 1.96834347921E7 . In excel, when I used the function DEGREES(), the result was 1.1278E5 . But when I used the >HMS function on my HP 50g calculator to convert the angle from decimal form to HMS form, the result was 7.08603652516E8. Can you guys tell me what is the problem? Thank you. 

04072023, 10:56 PM
Post: #2




RE: >HMS doesn't work properly
RE: HP 50g HMS problem
The given result by HP seems to me perfectly correct (and Excel too). 1 degree (1 hour) —> 3600 s Then, if you have d.dddddd 1.96834347921E7 you have to multiply it by 3600 to get the number of s: 1.96834347921E7 × 3600 = 7.08603652516E4 s And your initial value 1.96834347921E7 (in degrees d.dddddd) with —>DMS gives precisely 7.08603652516E8 = 0. 00 0000708603652516, to be read as 0h 00' 0.000708603652516s. However, if your initial angle 1.96834347921E7 is in radian, then the corresponding value in (decimal) degrees is: 1.96834347921E7 × 360/(2×pi) = 1.12777773991E5 (in d. ddddd). Excel given function converts, here, radian (your initial value) to degrees (d.ddddds), whereas HP command —>DMS converts your initial value from d.ddddddd into d.mmsssss. Two different things, all of them correct. Regards 

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