Roots of BESSJ0: x F(x) Root 1 2.404825 0.5333E-07 Root 2 5.520078 0.4911E-07 Root 3 8.653728 0.6095E-07 Root 4 11.791534 -0.7776E-07 Root 5 14.930918 0.5961E-07 Root 6 18.071064 -0.5490E-07 Root 7 21.211637 -0.9485E-07 Root 8 24.352472 0.7356E-07 Root 9 27.493479 0.1030E-06 Root 10 30.634607 0.7590E-07 Root 11 33.775818 0.1037E-06 Root 12 36.917095 -0.2078E-06 Root 13 40.058426 -0.2176E-06 Root 14 43.199791 0.1006E-06 Root 15 46.341187 0.3058E-07 Root 16 49.482609 0.5500E-07