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Question: fix demal places [evalf?]

Question:fix demal places [evalf?]

casperyc 962 Maple
March 07 2010
0

poi:=x->exp(-0.2225)*0.2225^x/x!;

 

for i from 0 to 4 do > evalf(poi(i)*10000,2) > od;

 


                                8000.


                                1800.


                                 190.


                                 15.


                                 0.75

 

How do I fix 2 decimal place???

I have searched many times, all says that evalf can fix decimal places

but why the output is like 2 significant figures??

 

Thanks.
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