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diff --git a/02-funkcje/archive/rysunki.pdf b/02-funkcje/archive/rysunki.pdf
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+\documentclass[tikz]{mwart} 
+
+\usepackage[utf8]{inputenc}
+\usepackage{polski}
+
+\usepackage{tikz}
+\usetikzlibrary{external}
+\tikzexternalize[prefix=img/]
+
+\tikzset{every node/.style = {font=\small}}
+
+\begin{document}
+
+\tikzsetnextfilename{01}
+\begin{tikzpicture}
+
+\draw[help lines] (-3.5,-3.5) grid (3.25,3.5);
+\draw[line width=.75pt,->] (-3.5,0) -- (3.5,0);
+\draw[line width=.75pt,->] (0,-3.5) -- (0,3.5);
+
+\node[below] at (3.5,0) {$x$};
+\node[left] at (0,3.5) {$y$};
+
+\draw[line width=.75pt] (1,.1) -- (1,-.1) node[below] {$1$};
+
+\draw[line width=1pt,color=teal] (-3,-3) -- (3,2) node[right] {$y=\frac{5}{6}x -\frac{1}{2}$}; 
+
+\end{tikzpicture}
+
+\end{document}
+
+%%% Local Variables:
+%%% LaTeX-command: "latex -shell-escape"
+%%% End:
\ No newline at end of file