Re: functions with optional arguments on a ti-89


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Re: functions with optional arguments on a ti-89



The only way I've heard of is to put all the arguments into one list, and
let the function check the list length to see how many arguments were input.

>hi, is there any way to write functions on my ti-89 which have optional
>arguments, like some of the builtin functions (like sum(), d(), limit())?

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