Tips for Beginners for the TI 89 Calculator

A series is the summation of the terms of a sequence. They can be calculated using 2nd MATH 3: List 1: seq(. Seq takes the parameters (expression, variable name, begin, end [, step]). Step is optional, the default is 1. E.g. to display the first 6 terms of the arithmetic sequence an = 3n + 2, key seq(3x+2, x, 1, 6) ENTER which gives {5 8 11 14 ... ................
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