Re: "internal error"?


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Re: "internal error"?



My TI-89 manual does not show any possibilities for using sum() other than with
a single argument, and therefore bit of code in the query posted here by
"the $al-Man" is not 100% transparent. Perhaps this is added functionality
added by later versions of the operating system? If so, there seem to still be
a few bugs...

To find the between-element averages for a list of numbers, why not use
the simpler code:

        dim(lst)-->n : (right(lst,n-1) - left(lst,n-1))/2     ?


RWW Taylor
National Technical Institute for the Deaf
Rochester Institute of Technology
Rochester NY 14623

>>>> The plural of mongoose begins with p. <<<<

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