source code editors in natural notation

[CompSystems]

Hello, there are many source code editors, but I have not seen one that supports natural printing of expression input this is a/b is written linear or 1D linear notation but in textbooks it appears as fraction or professional notation aka pretty print, this would be a innovation because it would facilitate the entry of expressions into a source code.

[Horst]

I'm to lazy to search now, but there many Latex Editors.
This should give you the wanted functions.

[CompSystems]

But most apps that code in LATEX-like markup language don't code in direct natural notation, and just to generate text, what you're looking for is a natural notation editor to easily write expressions in languages ​​like python, cpp, c#, java etc.