Amazon Prime Video on Tuesday (July 14) revealed the motion poster of the much-awaited biographical drama Shakuntala Devi. With countless achievements and a never-before-seen journey of the charming mathematician, Vidya Balan in and as Shakuntala Devi is all set to make your head spin with complex calculations, with the upcoming biopic of the math wizard.

The makers released a small clip to announce the trailer launch date and wrote, "The common difference between a computer and Shakuntala Devi is that they work at a different pace. The latter is faster :p Trailer out tomorrow. Meet #ShakuntalaDeviOnPrime, July 31! [sic]"