Shakuntala Devi - Indian Human Calculator

2023-11-04 Sat

On This Day in 1929, Shakuntala Devi, a prodigal mathematician dubbed as the 'Human Calculator' was born.

She outperformed a Univac computer that took slightly more than that.

She is known for her exceptional math skills and ability to determine the day of the week for any date from the previous century.

Date of Issue: 27th December 2007

Size: 38x29 mm

Designers: Suresh Kumar

Printers: Indian Security Press

Emission: Commemorative

Perforation: comb 13

Printing: Offset lithography

Face Value: 5 Indian Rupee