N-queens for Casio fx-3650P, fx-3650PII, fx-50FH

[EdS2]

(05-15-2023 06:51 PM)Csaba Tizedes Wrote:  ... and an accuracy test:

I checked against Free42 in decimal and in binary modes, and from this result one cannot tell the difference - and yet, between those modes, there is a big difference in precision!

Perhaps try
3*(4/3-1)-1
and
sin(3.141592653) (in radians of course)
or better yet
sin(3.14159265358)
?