\sqrt but with a vertical drop at the end
50151
"Closed" (square) root symbol
54030
Square and square root and negative numbers
12231
How do I exclude the vertical line plotted at a discontinuity?
17886
Values of square roots
142528
\overline outside of math mode
56177
How to prevent reduction of a fraction into lowest terms?
75571
Limit of $\sqrt x$ as $x$ approaches $0$
31774
How do I typeset arbitrary fractions like the standard symbol for .5 = ½?
104038
How to put small numbers outside the pie slices without making a mess
3514
reversing digits and squaring
157404
Labeling a point at which a perpendicular is dropped
37480
Leave only two decimal places after the dot
140621
How to write something vertically below another math symbol
59000
How to round to at most 2 decimal places, if necessary?
88640
Is $\sqrt x$ continuous at $0$? Because it is not defined to the left of $0$
72892
Does $\sqrt{x}$ have a limit for $x \to 0$?
94082
Is it possible to pad integers with zeros using regular expressions?