* * * * * * *                               *   rkbsd   *                               * * * * * * *        "rank via Birch and Swinnerton-Dyer conjecture"        SYNTAX: r = rkbsd(E)        E is an expression whose value is an elliptic curve over Q.                r is assigned the rank of the Mordell-Weil group of E,         computed via the Birch and Swinnerton-Dyer conjecture.                Example 1: (correct)                                rk( EC( 1, 0, 0, 1, 2 ) )