Texas Instruments TI-Nspire Software Guide

228 Using Lists & Spreadsheet
geometcdf (geomCdf())
geometcdf (computes a cumulative probability at x, the number of the
trial on which the first success occurs, for the discrete geometric
distribution with the specified probability of success p. 0p1 must be
true.
x can be a real number or a list of real numbers.
This distribution is useful in determining the probability associated with
the first success occurring during trials 1 through n. For example, you
could use this calculation to determine the probability that heads display
on toss #1, #2, #3, ..., #n.

Texas Instruments TI-Nspire Specifications

General

Type	Display
Form factor	Pocket
Product color	Blue, White
Display resolution	320 x 240 pixels
Display size (HxV) (imperial)	0 \
Compatible operating systems	Windows Vista/XP Mac OS X 10.4/10.5
Battery type	AAA
Number of batteries supported	4

Weight and Dimensions

Dimensions (WxDxH)	100 x 198.3 x 28.7 mm