1999-05-19  Jukka-Pekka Iivonen  <iivonen@iki.fi>

	* src/fn-math.c: SUBTOTAL() and SUMA() added.

	* src/fn-stat.c: SLOPE(), AVERAGEA(), MAXA(), MINA(), STDEVA(),
 	STDEVPA(), VARA(), and VARPA() added.

	* src/fn-stat.c (gnumeric_counta, gnumeric_min, gnumeric_max,
 	gnumeric_stdev, gnumeric_stdevp, gnumeric_var, gnumeric_varp):
 	made public (used also in src/fn-math.c for now on).