Texas Instruments TI-Nspire Reference Guide

124 TI-Nspire™ Reference Guide
Π()
(prodSeq)
Catalog
>
Π(Expr1, Va r, Low, High) ⇒ expression
Note: You can insert this function from the keyboard by typing
prodSeq(...).
Evaluates Expr1 for each value of Var from Low to High, and returns
the product of the results.
Note: See also Product template (Π), page 4.
Π(Expr1, Va r, Low, LowN1) ⇒ 1
Π(Expr1, Va r, Low, High)
⇒ 1/Π(Expr1, Va r, High+1, LowN1) if High < LowN1
The product formulas used are derived from the following reference:
Ronald L. Graham, Donald E. Knuth, and Oren Patashnik. Concrete
Mathematics: A Foundation for Computer Science. Reading,
Massachusetts: Addison-Wesley, 1994.
G
()
(sumSeq)
Catalog
>
G(Expr1, Va r, Low, High) ⇒ expression
Note: You can insert this function from the keyboard by typing
sumSeq(...).
Evaluates Expr1 for each value of Var from Low to High, and returns
the sum of the results.
Note: See also Sum template, page 4.
G(Expr1, Va r, Low, LowN1) ⇒ 0
G(Expr1, Va r, Low, High)
⇒ MG(Expr1, Va r, High+1, LowN1) if High < LowN1
The summation formulas used are derived from the following
reference:
Ronald L. Graham, Donald E. Knuth, and Oren Patashnik. Concrete
Mathematics: A Foundation for Computer Science. Reading,
Massachusetts: Addison-Wesley, 1994.

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