User talk:Yoshi890416

Hello, I'm Mathnerd 101. I wanted to let you know that I undid one or more of your recent contributions to Portal:Contents/Technology and applied sciences because it appeared to be promotional. Advertising and using Wikipedia as a "soapbox" are against Wikipedia policy and not permitted. Take a look at the welcome page to learn more about Wikipedia. Thank you. --Mathnerd 101 (talk &#124; contribs) 03:09, 8 April 2013 (UTC)