Texas Instruments TI-Nspire CAS User manual

TI-Nspire™ CAS

Reference Guide

This guidebook applies to TI-Nspire™ software version 4.3. To obtain the latest version

of the documentation, go to education.ti.com/guides.

Important Information

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Instruments makes no warranty, either express or implied, including but not limited to

any implied warranties of merchantability and fitness for a particular purpose,

regarding any programs or book materials and makes such materials available solely

on an "as-is" basis. In no event shall Texas Instruments be liable to anyone for special,

collateral, incidental, or consequential damages in connection with or arising out of the

purchase or use of these materials, and the sole and exclusive liability of Texas

Instruments, regardless of the form of action, shall not exceed the amount set forth in

the license for the program. Moreover, Texas Instruments shall not be liable for any

claim of any kind whatsoever against the use of these materials by any other party.

License

Please see the complete license installed in C:\ProgramFiles\TIEducation\<TI-Nspire™

Product Name>\license.

Contents

Important Information 2

Expression Templates 5

Alphabetical Listing 12

A12

B21

C24

D49

E60

F70

G79

I86

L93

M109

N117

O126

P128

Q137

R140

S153

T178

U193

V194

W195

X197

Z198

Symbols 206

Empty (Void) Elements 232

Shortcuts for Entering Math Expressions 234

EOS™ (Equation Operating System) Hierarchy 236

Error Codes and Messages 238

Warning Codes and Messages 246

Support and Service 249

Texas Instruments Support and Service 249

Service and Warranty Information 249

Index 251

Expression Templates

Expression templates give you an easy way to enter math expressions in standard

mathematical notation. When you insert a template, it appears on the entry line with

small blocks at positions where you can enter elements. A cursor shows which element

you can enter.

Position the cursor on each element, and type a value or expression for the element.

Fraction template /p keys

Note: See also / (divide), page 208.

Example:

Exponent template lkey

Note: Type the first value, press l, and

then type the exponent. To return the cursor

to the baseline, press right arrow (¢).

Note: See also ^ (power), page 209.

Example:

Square root template /q keys

Note: See also √() (square root), page

219.

Example:

Nth root template /l keys

Note: See also root(), page 150.

Example:

Expression Templates 5

6 Expression Templates

Nth root template /l keys

e exponent template ukeys

Natural exponential eraised to a power

Note: See also e^(), page 60.

Example:

Log template /s key

Calculates log to a specified base. For a

default of base 10, omit the base.

Note: See also log(), page 105.

Example:

Piecewise template (2-piece) Catalog >

Lets you create expressions and conditions

for a two-piece piecewise function. To add

a piece, click in the template and repeat the

template.

Note: See also piecewise(), page 130.

Example:

Piecewise template (N-piece) Catalog >

Lets you create expressions and conditions

for an N-piece piecewise function. Prompts

for N.

Note: See also piecewise(), page 130.

Example:

See the example for Piecewise template (2-

piece).

System of 2 equations template Catalog >

Creates a system of two equations. To add

a row to an existing system, click in the

template and repeat the template.

Note: See also system(), page 177.

Example:

System of N equations template Catalog >

Lets you create a system of Nequations.

Prompts for N.

Note: See also system(), page 177.

Example:

See the example for System of equations

template (2-equation).

Absolute value template Catalog >

Note: See also abs(), page 12. Example:

Expression Templates 7

8 Expression Templates

Absolute value template Catalog >

dd°mm’ss.ss’’ template Catalog >

Lets you enter angles in dd°mm’ss.ss’’

format, where dd is the number of decimal

degrees, mm is the number of minutes, and

ss.ss is the number of seconds.

Example:

Matrix template (2 x 2) Catalog >

Creates a 2 x 2 matrix.

Example:

Matrix template (1 x 2) Catalog >

.Example:

Matrix template (2 x 1) Catalog >

Example:

Matrix template (m x n) Catalog >

The template appears after you are

prompted to specify the number of rows

and columns.

Example:

Matrix template (m x n) Catalog >

Note: If you create a matrix with a large

number of rows and columns, it may take a

few moments to appear.

Sum template (Σ)Catalog >

Note: See also Σ() (sumSeq), page 220.

Example:

Product template (Π)Catalog >

Note: See also Π() (prodSeq), page 219.

Example:

First derivative template Catalog >

The first derivative template can also be

used to calculate first derivative at a point.

Note: See also d() (derivative), page 217.

Example:

Expression Templates 9

10 Expression Templates

Second derivative template Catalog >

The second derivative template can also be

used to calculate second derivative at a

point.

Note: See also d() (derivative), page 217.

Example:

Nth derivative template Catalog >

The nth derivative template can be used to

calculate the nth derivative.

Note: See also d() (derivative), page 217.

Example:

Definite integral template Catalog >

Note: See also∫() integral(), page 217.

Example:

Indefinite integral template Catalog >

Note: See also ∫() integral(), page 217.

Example:

Limit template Catalog >

Example:

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