Complex sentence: Scientific applications generally require no more than 40 digits of so the primary motivation for these computations is the human desire to break records but the extensive calculations involved have been used to test supercomputers and high-precision multiplication algorithms.
Split into simpler sentences: Scientific applications generally require no more than 40 digits of so the primary motivation for these computations is the human desire to break records. However, the extensive calculations involved have been used to test supercomputers and high-precision multiplication algorithms.