To test the difference between NumToStr() and Prec() you can plot this in indicator pane:
// Precision Function Example nmb = C * 1.8889; Title = "\\c11Num=" + nmb + "\\c34 NumToStr(n, 1.1) = " + NumToStr(nmb, 1.1) + "\\c32 Prec(n, 1) = " + Prec (nmb, 1 ); /*** END ***/
