simple analytic function

backscattered electron image chartr conceal-screw joint discounted least squares method EEIC (emergency feed water initiation and control) electro-series everexpanding Helaletidae joltpacked Kimopsin lyra piano oronasal fistula paging through paving-breaker drill phylum Nematoda pseudo-American sodium cold trap strabotic tiphophilus weighted quadrature formula