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From: JMEYERS@MTUS5.BITNET
Newsgroups: comp.sys.handhelds
Subject: Re: LC lock anomaly in Equation Writer
Message-ID: <90307.112110JMEYERS@MTUS5.BITNET>
Date: 3 Nov 90 16:21:10 GMT
References: <1211@helens.Stanford.EDU>
Organization: Computing Technology Services, Michigan Technological Univ.
Lines: 10

Here is an explanation for why the CHS key *acts funny* in the equation
writer.  When you are in the equation writer, it is like being in algabraic
mode, ie you are NOT using RPN.  Therefore, the operator is specified either
before a single operand (ie. cos, sin, chs, exp, etc.) or it is specified
between two operators (ie y^x, +, etc.).  That is why the CHS key only works
before the exponent.

Sincerely,
Jason P. Meyers
JMEYERS@MTUS5.BITNET