TI83 expr() function - bug?

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TI83 expr() function - bug?

Anybody
        Is this a bug in the TI-basic, or am I doing something wrong?


This bit of code should copy any one of the matrices [A] to [I],
depending on the string input, into [J]:


Input "MATRIX? ",Str0
expr("["+Str0+"]")\->\[J]


This flames out on my TI-83. Picking the "2:Goto" option doesn't bring
up the offending line in the program editor as it should. Instead, it
just clears the home screen and quits. Same thing with a numbered list
(L1 to L6), but it works fine with a named list.


Any ideas?


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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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