Posts: 1,368
Threads: 212
Joined: Dec 2006
Invest in the MoHPC DVD and support the fine work of the site,s curator. Like you, I just wanted one manual (I got a 15C I didn't know how to use). However, I splureged on the DVD and couldn't be more delighted.
If you want just the disc with your manual (I think it is CD 10) you can get that for considerably less.
This Forum tends not to advocate the free exchange, downloading, or reproduction of these manuals. Mr. Hick's compiles and sells this material to us having obtained all of the appropriate copyright permissions, and he does it at considerable investment of his personal time. The price charged is more than fair, well worth it, and we recommend that any HP collector seeking a manual invest in it.
Les
Posts: 673
Threads: 20
Joined: Oct 2008
While Les made excellent points, you can buy a hardcopy original manual from Samson Cables (not sure exact web address, google will give that to you). It will cost more than the single CD from Dave though.
Another cheaper way out is to download the Hp21s manual which is out on the web somewhere. It is very similar to the Hp20s manual as the two calculators were very similar. They were alike in their programming, just not alike in some minor features or their 3 built in libraries.
Posts: 10
Threads: 1
Joined: Jan 1970
www.calcpro.com has many HP calculator manuals. I have dealt with its manager, Paul Nelson, for many years. Another place you may want to check is www.internationalcalculator.com or www.intlcalc.com
I have also dealt with its manager, Don O'Rourke, for many years.
Good Luck!