Talk:HP-20S

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[edit] Infix rather than RPN

Is it correct tht the HP-20S and 21S are the only HP scientific calculators to use infix rather than RPN? As far as I know, it is true, but I don't want to state that in the article w/o confirmation. Bubba73 (talk), 22:44, 11 October 2006 (UTC)

I think the HP-38S also uses infix notation. It's one of their latest offerings. Sadly, it seems that RPN is being phased out. :( Itub 21:19, 13 October 2006 (UTC)

[edit] HP 20S

I work as a technicians and I need a new HP-20S. But where can I buy this? I need it for work, so please help!

I have four of them. Two I bought new from stores, two I bought on e-bay. One of them was new and the other was line new. Try e-bay. (I'm not going to part with any of mine.) Bubba73 (talk), 03:51, 14 October 2006 (UTC)