#+TITLE: Mathematical packages: amsmath, amsthm, mathtools − capabilities

* Prezentacja podczas zajęć
 + package amsmath − alignement of equations, multiline indexes,
   command 'operatorname'
 + package amsthm − ways to define new environments like theorems,
   command \theoremstyle'
 + package mathtools − command '\smashoperator'; environment
   matrix-like; command \\DeclarePairedDelimiter'; command
   'showonlyrefs'

* Exersises
 + Test capabilities of mentioned packages and properly edit the file
   exrcise-03-plik.tex