function evenBounces
m = 4; n = 4; t = 1000;
p1=[0.4,0.5]; p2=[0.8,0.3];
v(1) = (p2(1) - p1(1) + m)/t;
v(2) = (p2(2) - p1(2) + n)/t;
pooltable(p1,v,t)