Maggi Ajjayya, Kottur’s “Computer Man,” amazes social media with lightning-fast mental math. Despite only studying till 8th grade and surviving by begging, his calculation tricks have gone viral.

Well here’s something you don’t see every day. I’m the Computer Man is a bizarre, funny parody of Apple Macintosh tech support services. Shot with a 70s disco flavor and sung in Scatman John style, ...