"Strong typing vs. strong testing"

RG rNOSPAMon at flownet.com
Wed Oct 13 07:10:51 CEST 2010


In article <87mxqin49o.fsf at kuiper.lan.informatimago.com>,
 pjb at informatimago.com (Pascal J. Bourguignon) wrote:

> There's a notion of
> angle that is different from the notion of interest rate.

Only because of how they are conventionally used.  There's no difference 
between sin(0.1) and sin(10%).  Likewise there is no difference between 
an interest rate of 10% and an interest rate of 0.1.  Even an interest 
rate of 0.1 radians makes sense if for some unfathomable reason you want 
to visualize your interest payment as the relative length of a line 
segment and an arc.

> (I have also
> vague memories of a mathematical presentation of angles that clearly
> distinguished angles from numbers used to represent them).

That would be interesting.  If you find a pointer please pass it along.

rg



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