Counting the number of consecutive nines at the beginning of the fractional part of (√p+√q)2n
Find the value of d < 1000 for which 1/d contains the longest recurring cycle.
Discover all the fractions with an unorthodox cancelling method.
Find the continued fractions for N ≤ 10000 have an odd period.
Investigate the Diophantine equation x2 − Dy2 = 1.
Listing reduced proper fractions in ascending order of size.
How many elements would be contained in the set of reduced proper fractions for d ≤ 1,000,000?
Find the number of fractions that lie between 1/3 and 1/2 in a sorted set of reduced proper fractions.