[Coco] A Basic09 Query

[James Jones]

I don't know how PI is implemented; that would take some looking through
the source.

Yes, strictly speaking SQ isn't necessary. OTOH ^ isn't necessary, since
you could write x^y as exp(y * log(x)). The creators of BASIC09 must've
thought it worth not  having to write x*x, and I can agree with them:
consider SQ(sin(x)*y(15*i+3)/(5+sgn(w))). You either get to replicate a
long tedious computation (sure you didn't make a mistake writing it the
second time?) or create a gratuitous variable to hold the expression you
want to square.

On Mon, Aug 26, 2019 at 3:41 PM Bill Gunshannon <bill.gunshannon at hotmail.com>
wrote:

>
> Nothing important, just a couple simple questions.
>
> Why would you need a function to return a constant, Pi?
>
> And further, why would you need a function to compute a square?
>
> Is that not unneeded complexity?
>
> bill
>
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