Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Ideas for best teaching integrals: we're teaching wrongly and how to do
  it right   We discuss some problems with the indefinite integral notation and the way of
teaching of integrals in Calculus. Based on the discussion, and in order to
avoid mistakes, we propose another notation for indefinite integrals.

13
The categories of this paper are: quant-ph
11
The categories of this paper are: hep-lat
30
The categories of this paper are: q-alg
28
The categories of this paper are: alg-geom
19
The categories of this paper are: eess
37
The categories of this paper are: supr-con
16
The categories of this paper are: stat
0
The categories of this paper are: hep-ph
29
The categories of this paper are: funct-an
6
The categories of this paper are: astro-ph
14
The categories of this paper are: math-ph
3
The categories of this paper are: physics
5
The categories of this paper are: gr-qc
36
The categories of this paper are: cmp-lg
9
The categories of this paper are: nlin
4
The categories of this paper are: cond-mat