I don't expect floating answers to be exact. However, most of my
use of computers begins with inexact numbers, so getting the floating
routines as good as possible seems like a worthy effort to me.
Unfortunately, I stopped my reseach when J's answers went very
wrong at H 9. Nars also supports
H=: % @: : @: (+/~) @: i.
det=: -/ .*
0j_6 : det@H0 i.3 5x
1.00e0 1.00e0 8.33e_2 4.629630e_4 1.653439e_7
3.749295e_12 5.367300e_18 4.835803e_25 2.737050e_33 9.720234e_43
2.164179e_53 3.019095e_65 2.637781e_78 1.442897e_92 4.940315e_108
The preceding computes the
