eng Science and Education Publishing American Journal of Applied Mathematics and Statistics 2333-4576 2014-10-29 2 5 352 356 10.12691/ajams-2-5-9 AJAMS2014259 article M. Misra 1 B. Majhi 2 B.P. Padhy 3 P. Samanta 4 U.K. Misra umakanta_misra@yahoo.com 5 Department of Mathematics Binayak Acharya College, Berhampur, Odisha, India Department of Mathematics GIET, Gunupur, Odisha, India Department of Mathematics Roland Institute of Technology, Golanthara, Odisha, India Department of Mathematics Berhampur University, Berhampur, Odisha, India Department of Mathematics National Institute of Science and Technology Pallur Hills, Golanthara, Odisha, India In this paper a theorem on degree of approximation of a function fW(Lp,(t)) by product summability of the conjugate series of Fourier series associated with f has been established. http://pubs.sciepub.com/ajams/2/5/9/ajams-2-5-9.pdf degree of approximation W(L^p ξ(t)) class of function (E q) mean mean product mean Fourier series conjugate series Lebesgue integral