Presentacion

<object id="__sse13770969" width="425" height="355"><param name="movie" value="http://static.slidesharecdn.com/swf/ssplayer2.swf?doc=historiadelahojadeclculo-120726225025-phpapp01&stripped_title=historia-de-la-hoja-de-clculo-13770969&userName=flacorielof" /><param name="allowFullScreen" value="true"/><param name="allowScriptAccess" value="always"/><param name="wmode" value="transparent"/><embed name="__sse13770969" src="http://static.slidesharecdn.com/swf/ssplayer2.swf?doc=historiadelahojadeclculo-120726225025-phpapp01&stripped_title=historia-de-la-hoja-de-clculo-13770969&userName=flacorielof" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" wmode="transparent" width="425" height="355"></embed></object><div style="margin-bottom:5px"><strong><a href="http://www.slideshare.net/flacorielof/historia-de-la-hoja-de-clculo-13770969" title="Historia de la hoja de cálculo">Historia de la hoja de cálculo</a></strong> from <strong><a href="http://www.slideshare.net/flacorielof">flacorielof</a><strong>.</div>