When comparing Courier vs Operator, the Slant community recommends Courier for most people. In the question“What are the best programming fonts?” Courier is ranked 52nd while Operator is ranked 54th.
Ranked in these QuestionsQuestion Ranking
Pro Clear glyph resolution
Pro Simple yet effective
Pro Comes pre-installed on almost any operating system
This means that the user doesn't have to go to the bother of installing anything.
Pro Has a script version
Operator can be used to mix the same font for syntax formatting.
Pro Horizontal width not as wide as other fixed width fonts
You can legibly read everything and get more characters per line.
Pro Adorable italics
Con Relatively expensive
At $179, this font is on the more expensive side.