Changes

*For e.g.

*For e.g.

**COMBIN(5.4,2)=10 is equivalent to COMBIN(5,2)

**COMBIN(5.4,2)=10 is equivalent to COMBIN(5,2)

**COMBIN(5,-2)=NAN, because <math>r</math> is negative.

**COMBIN(5,-2)=#N/A (NUMBERCHOSEN > 0), because <math>r</math> is negative.

==ZOS==

==ZOS==