Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: SN-Engine, a Scale-free Geometric Modelling Environment   We present a new scale-free geometric modelling environment designed by the
author of the paper. It allows one to consistently treat geometric objects of
arbitrary size and offers extensive analytic and computational support for
visualization of both real and artificial sceneries.

4
The categories of this paper are: cond-mat
17
The categories of this paper are: q-fin
31
The categories of this paper are: ao-sci
2
The categories of this paper are: math
6
The categories of this paper are: astro-ph
7
The categories of this paper are: hep-th
8
The categories of this paper are: hep-ex
3
The categories of this paper are: physics
22
The categories of this paper are: chao-dyn
34
The categories of this paper are: chem-ph
30
The categories of this paper are: q-alg
33
The categories of this paper are: plasm-ph
11
The categories of this paper are: hep-lat
9
The categories of this paper are: nlin
32
The categories of this paper are: atom-ph
20
The categories of this paper are: acc-phys