HP Prime for All

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Syntax

cumSum(Lst(l)||Seq||Str)

Description

Returns the list (or the sequence or the string) lr where the elements are the cumulative sum of the list l:lr[k]=sum(l[j],j=0..k) (or lr=sum(l[j],j=0..k )$(k=0..size(l)-1)).

Example

cumSum([0,1,2,3,4]) returns [0,1,3,6,10]

cumSum — Discussion