I tried to define x' as x' = x/2, but the character ' is not possible as it seems, What character can I use?
98308
difference between \prime and `'` in math mode
104158
$\frac 00=$ ? Why It is un answerable?
20988
Notation for specifying the fractional part of a number
100424
Technicalities about "%"?
158798
Why can "trans" be replaced with an x?
38642
Not equal sign (≠) with a vertical bar
98048
Convert a character digit to the corresponding integer in C
107913
How should I use % sign that it can be printed out correctly?
101326
My teacher describes absolute value confusingly: $|x|=\pm x,\quad \text{if}\enspace x>0 $.
138481
$f(x)=x/1$ is not injective?
153369
an "X is an X is an X" what does this mean?
82630
How is it, that $\sqrt{x^2}$ is not $ x$, but $|x|$?
92466
Is there any alternative to using % (modulus) in C/C++?
5970
How do I split a string so I can access item x?
48026
What's the difference between X = X++; vs X++;?
12503
How to create the following symbol? Fractional function
155136
$x\in \{\{\{x\}\}\}$ or not?