Complex sentence: These calculations were based on some mathematical formulas published in a 1997 paper by David H. Bailey and these formulas were originally discovered by computer programs, using the "PSLQ" algorithm of sculptor-mathematician Helaman Ferguson.
Split into simpler sentences: These calculations were based on some mathematical formulas published in. These formulas were originally discovered by computer search, using the PSLQ algorithm of sculptor-mathematician Helaman Ferguson.