RE: TIB: programming functions
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RE: TIB: programming functions
For the TI-92 create a function (not a program) called sec() like this:
:sec(x)
:Func
:1/(cos(x))
:EndFunc
> -----Original Message-----
> From: Richard Piotter [SMTP:richfile@prairie.lakes.com]
> Sent: Thursday, March 26, 1998 2:08 PM
> To: ti-basic@lists.ticalc.org
> Subject: Re: TIB: programming functions
>
>
> The Garth Johnson wrote:
> >
> > I want to program the three trig functions csc, cot, and sec into my
> > 85. The problem is that I want them to act just like the cos, sin,
> > and tan that are built in. First I tried something similar to this
> to
> > each of the functions this:
> >
> > sec=1/cos
> >
> > I was hoping that the 85 treats formulas as macros, so that it would
> > think that the function y1=sec x would be translated as y1=1/cos x.
> > That doesn't work.
> >
> > I know that I could use something like
> >
> > sec=1/cos x
> >
> > but that wouldn't work just like the built in functions. If i
> wanted
> > to do something like sec (2x) it wouldn't work.
> >
> > Help!
> >
> > Come on people! ticalc.org says that there are 98 people on this
> > list! Don't be afraid to answer!
>
> I'm not sure about the TI-85, but the TI-92 can use a function within
> a
> function. Maybe you can create a function called sec or whatever. The
> equation would be called from another function.
>
> Try it. I'm not sure if it works, but who knows.
>
> To make the equation, type it in quotes and use the sto> button and
> store it into a string. Then use the Catalog to find St>Eq to manke it
> into an equation. Like I said, I don't know if it'll work. I don't
> have
> my good TI-85 with me.
> --
>
>
> Richard Piotter
> richfile@prairie.lakes.com
>
> The Richfiles TI Hardware and BASIC web page:
> http://www.geocities.com/SiliconValley/Lakes/5081/Richfiles.html