Ramanujan, modular equations, and approximations to Pi or how to compute one billion digits of Pi

Algorithm 719: Multiprecision translation and execution of FORTRAN programs

ACM Transactions on Mathematical Software (TOMS)

Golden ratio in science, as random sequence source, its computation and beyond

Computers & Mathematics with Applications

Ramanujan's Eisenstein series and new hypergeometric-like series for 1/π2

Journal of Approximation Theory

Best k-digit rational bounds for irrational numbers: Pre- and super-computer era

Mathematical and Computer Modelling: An International Journal

Schönhage-Strassen algorithm with MapReduce for multiplying terabit integers

Proceedings of the 2011 International Workshop on Symbolic-Numeric Computation