Texas Instruments TI-Nspire CAS User Manual (English)

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180 Alphabetical Listing

tangentLine()

Catalog >

Make sure that the independent variable is

not defined. For example, If f1(x):=5 and

x:=3, then tangentLine(f1(x),x,2) returns

“false.”

tanh()

Catalog >

tanh(Expr1) ⇒ expression

tanh(List1) ⇒ list

tanh(Expr1) returns the hyperbolic tangent

of the argument as an expression.

tanh(List1) returns a list of the hyperbolic

tangents of each element of List1.

tanh(squareMatrix1) ⇒ squareMatrix

Returns the matrix hyperbolic tangent of

squareMatrix1. This is not the same as

calculating the hyperbolic tangent of each

element. For information about the

calculation method, refer to cos().

squareMatrix1 must be diagonalizable. The

result always contains floating-point

numbers.

In Radian angle mode:

tanh⁻¹()

Catalog >

tanh⁻¹(Expr1) ⇒ expression

tanh⁻¹(List1) ⇒ list

tanh⁻¹(Expr1) returns the inverse

hyperbolic tangent of the argument as an

expression.

tanh⁻¹(List1) returns a list of the inverse

hyperbolic tangents of each element of

List1.

Note: You can insert this function from the

keyboard by typing arctanh(...).

In Rectangular complex format:

tanh⁻¹(squareMatrix1) ⇒ squareMatrix

In Radian angle mode and Rectangular

complex format:

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Texas Instruments TI-Nspire CAS Specifications

General

Type	Graphing
Cover	-
Form factor	Pocket
Control type	Buttons, Touch
Product color	Grey, Silver
Digits	- digits
Display tilting	No
Display resolution	320 x 240 pixels
Display number of lines	- lines
Compatible operating systems	Windows XP/2000\\r Mac OS X 10.4/10.5
Battery type	AAA
Power source	Battery
Number of batteries supported	4
USB port	Yes
USB 2.0 ports quantity	1
RAM capacity	16 MB
ROM capacity	20 MB