diff --git a/.~lock.rcalc-doc.odt# b/.~lock.rcalc-doc.odt#
index 7f0f6da..111b3ae 100644
--- a/.~lock.rcalc-doc.odt#
+++ b/.~lock.rcalc-doc.odt#
@@ -1 +1 @@
-,ondra,Penguin,29.09.2013 21:06,file:///home/ondra/.config/libreoffice/4;
\ No newline at end of file
+,ondra,Penguin,29.09.2013 22:53,file:///home/ondra/.config/libreoffice/4;
\ No newline at end of file
diff --git a/LICENSE.txt b/LICENSE.txt
new file mode 100644
index 0000000..94c93b0
--- /dev/null
+++ b/LICENSE.txt
@@ -0,0 +1,21 @@
+
+The MIT License (MIT)
+
+Copyright (c) 2013 Ondrej Hruska
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/rcalc-doc.odt b/rcalc-doc.odt
index a8bfb43..91b6ad6 100644
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diff --git a/rcalc-doc.pdf b/rcalc-doc.pdf
new file mode 100644
index 0000000..9077c60
Binary files /dev/null and b/rcalc-doc.pdf differ