Why is the notation $\frac{\partial f}{\partial x}$ used?
133424
Why do we make a distinction between derivatives and partial derivatives?
142873
What does the function f: x ↦ y mean?
125738
Names of higher-order derivatives
56936
$\frac{\partial f_i}{x_j}=\frac{\partial f_j}{x_i}\implies(f_1,\ldots,f_n)$ is a gradient
31979
Notation: Why write the differential first?
35526
What's the proper way to typeset a differential operator?
27467
What is an intuitive explanation for $\operatorname{div} \operatorname{curl} F = 0$?
106284
Establishing a Basis for $F[x]/(f(x))$
63149
Notation for functions vs. numbers
91521
Ambiguity of notation: $\sin(x)^2$
20988
Notation for specifying the fractional part of a number
113005
What does this notation mean? $f(x) \equiv A$?
134871
Using definition of derivative to differentiate $f(x)= \sqrt{x}+1$
109192
Intuitive reason why $ \frac1j > \int_{j}^{j+1} \frac1x dx $ for $j$ < $x$
146770
Why is $\frac{1}{\frac{1}{0}}$ undefined?
40908
Raised index of partial derivative
157748
Why should the equality of mixed partials be "intuitively obvious"?