This question already has an answer here:

When I post, half of my question isn't shown. Why is this?

Screenshot of the post editor

marked as duplicate by Laurel, Nathan Tuggy, Glorfindel, Catija, ale Dec 21 '17 at 19:18

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

  • Try posting the same thin when going to the site in https. – PearsonArtPhoto Dec 21 '17 at 15:43

A < can be interpreted as the beginning of an HTML tag. You have two options to avoid this:

  • use &lt; instead, so that the parser knows your not starting an HTML tag
  • use MathJax if that's enabled on the site, like this: $0<y<=1$, or even better: $0<y \le 1$. As a bonus, this will nicely format your question like a scientific paper:

enter image description here

  • could also stuff the mathy bits inside backticks. – Journeyman Geek Dec 21 '17 at 15:46
  • You beat me to the "post" button again. We've got to stop doing this. :-) – Monica Cellio Dec 21 '17 at 15:46

Not the answer you're looking for? Browse other questions tagged .