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The Radical Sign Font

The The Radical Sign font is used to write a radical sign equation. Here is how to use this font:

0, 1, 2, 3, 4, 5, 6, 7, 8, 9: their respective numbers
a: square root symbol
b: short combining overline (as opposed to underline)
c: long combining overline
d: straight square root symbol
e: extension for straight square root symbol
f: corner for straight square root symbol
g: cube root symbol
h: straight cube root symbol
i: 4th root symbol
j: straight 4th root symbol

So for the square root of 3, you would type this:

ab3