1. Tumblr user “Ishipitlikeups” announced online that she was taking her calculator to prom because no one asked her.
2. Other Tumblr users told her to prove it and she ended up posting a whole gallery of her very rad night out.
4. Her out-of-the-ordinary date even got the attention of her principal in his weekly email to the school.
5. He said it was a classic story of a young woman and her calculator.
Ryan Broderick is a reporter for BuzzFeed News and is based in London.