add support for functions: XOR, CONCAT, IFNA, TDIST, T.DIST, T.DIST.2T, T.DIST.RT, F.DIST, F.DIST.RT, GAMMA, GAMMA.DIST, GAMMA.INV, BETA.INV,
NUMBERVALUE,
GAMMA.PRECISE,
BETA.DIST,
BETADIST,
GAMMAINV,
GAMMADIST,
CHIDIST,
CHIINV