Re: TI83 expr() function - bug?
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Harry Elam <hbe@way.com> writes (E-mail)
>
>>"ABCDEFGHI"\->\Str1
>>"[A][B][C][D][E][F][G][H][I]"\->\Str2
>>Input "MATRIX? ",Str0
>>inString(Str1,Str0)\->\N
>>If N=0:Goto 99
>>expr(sub(Str2,N,1))\->\[J]
>>Return
>>Lbl 99
>>Disp "INVALID MATRIX"
>>Stop
>>\stop83\
>>
Right on target! It works fine - thanks very much. I cut and
pasted the code straight out of your Email into a text file and ran it
via Graph-Link, and it ran first time, no sweat, so evidently the Graph-
Link software recognises the matrix tokens within the quoted string.
I'll take the liberty of posting your solution (with
attribution) to the newsgroup later in the week, as it's a bit of
information that may be useful to other folks.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Stuart Dawson Dawson Engineering
49 Knockbracken Park, Belfast BT6 0HL, Northern Ireland
sd@dawson-eng.demon.co.uk +44 1232 640669
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