value1=0.0 value2=0.0 DECLARE foo IN whatever.dll @ String, @ String b1 = BINTOC(value1, "B") b2 = BINTOC(value2, "B") foo(@b1, @b2) ? BINTOC(b1, "8") ? BINTOC(b2, "8") * or b1 = BINTOC(value1, "8") b2 = BINTOC(value2, "8") foo(@b1, @b2) ? BINTOC(b1, "B") ? BINTOC(b2, "B")