Why do some authors write dx after integral sign?
31979
Notation: Why write the differential first?
43430
What exactly does $\frac{dx}{dy}$ mean?
16644
Why does cancellation of dots $\frac{\partial \dot{\mathbf{r}}_i}{\partial \dot{q}_j} = \frac{\partial \mathbf{r}_i}{\partial q_j}$ work?
89185
The notation for partial derivatives
142821
Why?$\int_0^1\int_{u(t)}^{u(t)+w(t)} f(t,v(t)) dv dt = \int_0^1 f(t,u(t)+\theta w(t))w(t) dt; ~~\theta\in[0,1] $
91521
Ambiguity of notation: $\sin(x)^2$
130220
Why should the substitution be injective when integrating by substitution?
150496
What alternative notation of subscripts/superscripts that are also treated as SYMBOLS in Mathematica?
62024
Notation: What does the tilde below of the expectation mean?
126962
Differentiation under integral sign (Gamma function)
55188
Second order ODE - why the extra X for the solution?
27862
Symbols of derivatives
31273
What does $dx$ mean?
109187
The differences between Lagrange and Leibniz's derivative notations
125506
Why can I get two different results when calculating $\int \ln(z) \,dz$?
77975
How to force correct answers for Integrals of Cos[mx]*Cos[nx]?
106212
Multiple derivative notation