Path: utzoo!mnetor!uunet!portal!cup.portal.com!Jake-S
From: Jake-S@cup.portal.com
Newsgroups: comp.sys.hp
Subject: Re: What is the diff between HP-28C & HP28S
Message-ID: <5075@cup.portal.com>
Date: 3 May 88 23:28:54 GMT
References: <4581@batcomputer.tn.cornell.edu>
Distribution: na
Organization: The Portal System (TM)
Lines: 18
XPortal-User-Id: 1.1001.3676


Here's a repeat of an earlier posting (which was recently removed due to 
old age):

A first list of 28C - 28S differences

1. CPU speeded up from 600KHz to 1 MHZ (53%)
2. Menu key markings surrounded by white rectangles, red key markings are 
   darker red.
3. RAM expanded from 1.6K usable to almost 32K usable.
4. Some menu keys moved from right to left keyboard, others around on same
   side.
5. User subdirectories possible in RAM, with accompanying functions CRDIR
   (create directory), HOME (move to top), PATH (return path to current sub-
   directory), VARS (return string of user var's in CURRENT directory) and
   CLUSR (clear vars only in current directlry)
6. SOLVER menu shows variables in inverse video
7. ALPHA LOCK function replaced on left keyboard by the MENUS function, which
   locks the left keyboard in the shifted position for one-key access to any