sci-mathematics The extra data for PARI consists of: * elldata is PARI/GP version of J. E. Cremona Elliptic Curve Data, needed by ellsearch and ellidentify. * galdata is needed by polgalois to compute Galois group in degrees 8 through 11. * seadata is needed by ellap for large primes. * nftables is a repackaging of the historical megrez number field tables (errors fixed, 1/10th the size, easier to use).