Textbook has a strange section on absolute value that I don't quite understand
101326
My teacher describes absolute value confusingly: $|x|=\pm x,\quad \text{if}\enspace x>0 $.
130207
Why is the p-value written with a supremum?
115588
Book Value vs Current Market Value
135727
Error Measures, why is the sum halved? why not use the absolute value?
132821
Why are floating point numbers printed so differently?
69916
Strange behavior of abs(x) in PGF Plots
40920
Why are my exercise and answer references reading 10 (ten) too many?
143110
An unclear sentence in the book "Griffiths, Harris-Principles of algebraic geometry"
650
Modulus operation with negatives values - weird thing?
141886
Incorrect notation in math?
155965
Which is the fastest way to get the absolute value of a number
151864
Derivative of the Absolute Value Function in Mathematica looks very different from the actual answer
132365
Why is absolute value function not a polynomial?
138360
Exponents and absolute value w/ complex numbers
146358
Why is there a $\frac 1 2$ in $\frac 1 2 mv^2$?
33601
Emphasis of this double negative?
96805
Why is the Absolute Value of $3-π$ equal to $π - 3$