(Plus 42) Fraction approximation equation

[Thomas Okken]

(02-17-2022 01:38 PM)Vincent Weber Wrote:  FRAC:0×FOR(SEQ(L(N:IP(X)):L(D:1)):L(RES:ABS(N÷D-X))>TOL:0:SEQ(L(D+1):L(N:RND(D×X:0))))+RES

You can prevent :‌D from turning into by putting a zero-width space or a zero-width non-joiner between the : and the D.
(The difference is whether a line break may occur or not.)

https://unicode-table.com/en/200B/
https://unicode-table.com/en/200C/