How do I write this symbol (showed in picture, upright angle in math mode, not 180 rotated "A")
348
How to look up a symbol or identify a letter from a math alphabet or other character?
69292
What is $ sign in Mathematica?
7963
Drawing angles greater than 360º inTikZ
4177
Shifting a symbol vertically in Math mode
47494
How to color math symbols?
106264
Trigonometric notation with Initial capital Letter and Italic
152688
How to get upright parentheses in the whole document?
41248
How to represent 1 as Symbol["Integer"]
5627
How to write ≙ in latex
36628
How do I prove this method of determining the sign for acute or obtuse angle bisector in the angle bisector formula works?
31918
How do you create an alternating series with the sign being the same twice in a row?
67780
Angle brackets in PHP string
150453
How do I display an expression with negative powers?
6877
How to write (La)TeX (with parentheses) [or any other TeX-related logo]
19341
Mark 90 degree angle in tikz in german convention
73597
Identifying a single math symbol
81248
Delta-like symbol in LaTeX