#538508 - safe, artist:nitroraven24, artist:quanno3, artist:vaderpl, octavia melody, g4, book, calculator, comic, couch, frown, gritted teeth, irl, math, paper, pen, photo, ponies in real life, scared, solo

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[img]https://derpicdn.net/img/2014/1/30/538508/medium.png[/img] [url=https://derpibooru.org/images/538508]View on Derpibooru[/url] - [url=http://nitroraven24.deviantart.com/art/Math-problems-400426407]Original source[/url]