urgent : manual hp28s

[fred]

hi,

i need to use my hp28s but i don't remember some stuff about how use
the statistic fonctions like mean sdev cov corr, i always have invalid
dat.

i need the manual !!! , do you know where can i download it quickly ?

thanks

[Veli-Pekka Nousiainen]

Post by fred
hi,
i need to use my hp28s but i don't remember some stuff about how use
the statistic fonctions like mean sdev cov corr, i always have invalid
dat.

Sounds like 'n' is less than 2
[VPN]

Post by fred
i need the manual !!! , do you know where can i download it quickly ?
thanks

[Esteba Suarez M.]

I have a pdf version of the hp 28s manual. but i´m afraid it`s only
the user manual, don`t know where you can get the reference manual.
the file is heavy about 15mb, what is to say pretty heavy with a dial
up connection like me. Please let me know if you are interested.
SALUDOS DE LA ARGENTINA

esteban suarez m.
industrial engeneering student.

[adcoe]

Hi
I am interested to get the hp 28s manual
Is it possible to get it ?

Regards
Dominique

[Charles Perry]

Post by adcoe
Hi
I am interested to get the hp 28s manual
Is it possible to get it ?
Regards
Dominique

www.hpmuseum.org

I am pretty sure he still sells CDs with manuals for discontinued HP calcs.

Charles Perry P.E.

[d***@gmail.com]

Post by Esteba Suarez M.
I have a pdf version of the hp 28s manual. but i´m afraid it`s only
the user manual, don`t know where you can get the reference manual.
the file is heavy about 15mb, what is to say pretty heavy with a dial
up connection like me. Please let me know if you are interested.
SALUDOS DE LA ARGENTINA
esteban suarez m.
industrial engeneering student.

Would you be so kind as to sen me your PDF? I may be too careful, but I can not open the battery bay. Thank you. Nicolás

[Joe Horn]

Post by d***@gmail.com
Would you be so kind as to sen me your PDF?
I may be too careful, but I can not open the battery bay.
Thank you. Nicolás

The trick to opening the 28S battery door is to press down on it as you START
to slide it off BUT THEN STOP. This lets it get past the bump inside which
holds it in place. HOWEVER, as soon as it starts to move, stop pressing in,
and only slide it very carefully. It's terribly fragile. Most 28C and 28S
battery doors are now broken. If yours is still intact, take good care of it!

You can download a B/W version of the Owner's Manual here:
http://holyjoe.net/hp/HP-28S_Owner's_Manual.pdf

You can also download a B/W version of the Reference Manual here:
http://holyjoe.net/hp/HP-28S_Reference_Manual.pdf

Hope that helps!

-Joe-

[N. Jackson]

Post by Joe Horn
http://holyjoe.net/hp/HP-28S_Owner's_Manual.pdf
http://holyjoe.net/hp/HP-28S_Reference_Manual.pdf

Thank you for these Joe. It's a long weekend here and the forecast
is for three days of rain. Reminiscing over these manuals seems
like a good way to spend some of it.

The 28S was my first HP calculator and probably the reason that I
almost failed my first year of university. (I spent night after
night in coffee shops writing celestial navigation and geodesy
programs on the calculator and went to my morning lectures without
having gone to bed.) I sold the calculator later in the year to pay
tuition and without the distraction of a calculator my grades
improved.