Defining the derivative a little differently than usual
90325
Why use the derivative and not the symmetric derivative?
3387
Derivative of $f(x)=|x|$
134871
Using definition of derivative to differentiate $f(x)= \sqrt{x}+1$
116832
Appearance of Formal Derivative in Algebra
38192
Derivative of inverse function at a point.
85085
Simplifying the derivative of $|x|$
113888
Behavior of derivative near the zero of a function.
27862
Symbols of derivatives
11167
A counterexample of a differentiable function on an interval whose derivative is discontinuous
73073
Differentiating $y=x^{2}$
127114
Differentiability implying continuity
97146
differentiate with respect to a function
61975
How to assign up-values for `Derivative`?
1246
Differences between derivatives and strong derivatives
85730
Nth Derivative of a function
115635
Differentiability of antiderivative and continuity of derivative
68752
A few questions about infinite derivative.