Interestingly, though, some languages get it right:
northrup@Topaz:~/Desktop$ perl -de1
Loading DB routines from perl5db.pl version 1.55
Editor support available.
Enter h or 'h h' for help, or 'man perldebug' for more help.
main::(-e:1): 1
DB<1> say 0.1 + 0.2
0.3
[…]
northrup@Topaz:~$ csi
CHICKEN
(c) 2008-2019, The CHICKEN Team
(c) 2000-2007, Felix L. Winkelmann
Version 5.1.0 (rev 8e62f718)
linux-unix-gnu-x86-64 [ 64bit dload ptables ]
#;1> (+ 0.1 0.2)
0.3
[…]
northrup@Topaz:~$ sbcl
This is SBCL 1.5.8, an implementation of ANSI Common Lisp.
More information about SBCL is available at <http://www.sbcl.org/>.
SBCL is free software, provided as is, with absolutely no warranty.
It is mostly in the public domain; some portions are provided under
BSD-style licenses. See the CREDITS and COPYING files in the
distribution for more information.
* (+ 0.1 0.2)
0.3
