Hello,

To count even numbers:
=SUMPRODUCT(--(MOD($B$3:$H$11,2)=0))

To count odd ones;
=SUMPRODUCT(--(MOD($B$3:$H$11,2)=1))

If both results do not add up to 63 then you have fractional numbers in
your area (1.1 or similar)...

HTH,
Bernd