809
IEEE 754
(cdn.fosstodon.org)
Post funny things about programming here! (Or just rant about your favourite programming language.)
Many do. Matlab, Julia and Smalltalk are the ones I know
... Perl, Haskell, Lisp, ...
Factor, Prolog, and Python has the
fractions
moduleScheme and many others. And lots of libraries for C and others.
It's called bignum, or Arbitrary-precision arithmetic.