NetNews Usenet Archive 1992 #19/NN_1992_19.iso/spool/comp/sys/handheld/1919

Internet Message Format | 1992-09-02 | 1.8 KB

Xref: sparky comp.sys.handhelds:1919 alt.folklore.computers:13055
Path: sparky!uunet!dtix!darwin.sura.net!mips!news.cs.indiana.edu!bsu-cs!bsu-ucs.uucp!01ksdavis
From: [e-mail]
Newsgroups: comp.sys.handhelds,alt.folklore.computers
Subject: Re: An old Commodore calculator
Message-ID: <[e-mail]>
Date: 25 Aug 92 18:56:35 GMT
References: <[e-mail]> <[e-mail]> <[e-mail]>
Lines: 27

In article <[e-mail]>, [e-mail] (CP/M lives!) writes:
> In article <[e-mail]>, [e-mail] (Anthony J Stieber) writes:
>> I just turned on the larger of the two paperweights, and I notice that
>> digits are entered from the left to the rightmost position.  This is
>> the opposite of all the other (four) stand alone calculators in the
>> house and I think, most other calculators.  The latter machines scroll
>> the display right to left to make room for digits as they are entered.
>>
>> Why is this?  I would think that not scrolling the display would be
>> easier on both the machine and the eyes.  The decimal point does
>> wander even if the number of decimal places is the same.
>
> Scrolling the display to the left as digits come in is, in my experience,
> easier. You can just shift the buffer to the left and stuff the digit in the
> end instead of searching for or keeping track of the current insertion point;
> less work, less stuff to keep track of. Admittedly, I've always done this in
> situations where the data I was using fit in a register on the machine I
> was using, so shifting left was one instruction...
>
> Roger Ivie
> [e-mail]
    I really have no opinion either way on this.  I have a Commodore
rechargable pocket calculator and an old Commodore adding machine.
\


        Kyle