Shakuntala Devi, 1939-
Figuring : the joy of numbers /
Shakuntala Devi.
- New York : Barnes & Noble Books, a division of Harper & Row, 1981.
- 157 p.
"First Barnes & Noble Books edition published 1981."--T.p. verso.
0064635309 (paper)
90023021
Shakuntala Devi, 1939-
Mathematical recreations.
Ready-reckoners.
Number theory