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The partial sums themselves form a sequence {\displaystyle (S_{N})_{N\in \mathbb {N} }} , which is called the sequence of partial sums of the series {\displaystyle \sum _{n=1}^{\infty }a_{n}} . If the sequence of partial sums converges, then we say that the series {\displaystyle \sum _{n=1}^{\infty }a_{n}} is convergent, and the limit {\displaystyle \lim _{N\to \infty }S_{N}} is called the value of the series. The same notation is used to denote a series and its value, i.e. we write {\displaystyle \sum _{n=1}^{\infty }a_{n}=\lim _{N\to \infty }S_{N}} .

Hello, I'm looking for a way to quickly find what numbers are missing in column B. I can sort them ascending, but how do I find if there are missing numbers? 1 2 3 5 6 7 9 I need to know 4 and 8 are missing. Thank you. One way: select B2:Bx. Choose Format/Conditional Formatting... CF1: Formula is =(B2-B1)>1 Format1: / or, without sorting, select column B (with B1 active): CF1: Formula is =AND(B1>MIN(B:B),COUNTIF(B:B,B1-1)=0) Both CF's will activate if there are missing numbers before them. In article <28706E9E-2624... sequential numbering in coreldraw