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2.the arithmetic operation of summing; calculating the sum of two or more numbers.
3.sum functions are:without condition sum function、condition sum sumif function, multi- condition sum can make use of condition sum guide,this article describe their application and skill by practical exam- ples in detail.
4.Application of Abel Transformation forFinding partial Sum Problem ofa Class Number Sequence
7.OTA Ladder Filters Realized by the Concepts of Linearly Differential Summation
8.Hilbert′s paper that square can make sum sequence space l_2. After that, some research have been done about sequence spaces l_p(1≤p<∞)、l_∞、c.
9.Point Estimation About the Convergence Order of the Summation Operator of Bernstein Type
10.ABSOLUTE SUMMATION OF FOURIER-LAPLACE SERIES FOR FUNCTIONS WITH BV PROPERTIES
