Fastest human calculator

Jinansh Vimesh Dedhia (born on April 25, 2011) of Mumbai, Maharashtra, India set the record for being the fastest human calculator. He did multiple onerous and abstruse Mental calculations with solving of 143 Calendar dates in a minute, 20 digits x 20 digits and many different calculations through software and written sheets via offline mode in presence of jury at the Shishuvan School, Mumbai, Maharashtra on December 3 and December 4, 2022.