Some modular identities of Ramanujan useful in approximating

Author:
Jon Borwein

Journal:
Proc. Amer. Math. Soc. **95** (1985), 365-371

MSC:
Primary 11F03; Secondary 11J72, 41A25

MathSciNet review:
806072

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Abstract | References | Similar Articles | Additional Information

Abstract: We show how various modular identities due to Ramanujan may be used to produce simple high order approximations to . Various specializations are considered and the Gaussian arithmetic geometric mean formula for is rederived as a consequence.

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Additional Information

DOI:
http://dx.doi.org/10.1090/S0002-9939-1985-0806072-6

Article copyright:
© Copyright 1985
American Mathematical Society