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who had found an algoritm which would return the n-th digit of

[tex] \pi [/tex] without needing to compute the preceding digits.

In other words you could ask for the 812th digit of [tex] \pi [/tex] and

it would spit it out without computing the prior 811 digits. There was

a computer program in the work written in Fortran.

The rub is that it only worked in base 16.

Is anyone familiar with a special connection between base 16 and an

easier way to compute digits of [tex] \pi [/tex]?