SVG template for the <a href="https://en.wikipedia.org/wiki/WDR_paper_computer" class="extiw" title="w:WDR paper computer">WDR paper computer</a> showing an addition program as used in <a href="//commons.wikimedia.org/wiki/File:WDR_paper_computer_(pen_and_matchsticks).jpg" title="File:WDR paper computer (pen and matchsticks).jpg">File:WDR paper computer (pen and matchsticks).jpg</a>. Created with LibreOffice and Inkscape.
<a href="//commons.wikimedia.org/wiki/User:Morn" title="User:Morn">Morn</a>
<span class="int-own-work" lang="en">Own work</span>