Omaha Preflop Probabilities (Can someone check my math please)

[sthief09]

<font class="small">Code:</font><hr /><pre>
=4*4*COMBIN(50-8,2)/COMBIN(52,4) getting dealt A2xx
=1-(1-[above])^10 anyone having A2xx
=3*3*COMBIN(50-8,2)/COMBIN(52,4) A2xx if I have A2xx
=1-(1-[above])^9 chances of anyone else having A2xx
=4*3*COMBIN(52-4-3-4,2)/COMBIN(52,4) someone having A2xx if I have A3xx
=1-(1-[above])^9 anyone having A2xx if I have A3xx

</pre><hr />
and results:
5.1% getting dealt A2xx
40.7% Anyone having A2xx
2.9% A2xx if I have A2xx
23.0% chances of anyone else having A2xx
3.6% someone having A2xx if I have A3xx
28.3% anyone having A2xx if I have A3xx