TY - BOOK AU - Benjamin, Arthur TI - Think like a maths genius : : the art of calculating in your head SN - 9788129113054 U1 - 513.9 BEN-A PY - 2017/// CY - India PB - Rupa KW - Mental arithmetic N1 - Discover the secret of how to perform lighting calculations in your head, discover methods of incredible memorization and other feats of mental agility. Learn maths secrets for the real world, from shopping and calculating a restaurant tip, to figuring out gambling odds or how much you've won. Learn how to solve sudoku faster ER -