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Chapter 3: Symbolic Manipulation 75
03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/01 2:12 PM Page 75 of 24
From the Home screen, press
…
to display:
This menu is also available from the
MATH
menu. Press
2I
and then select
A:Calculus
.
Menu Item Description
d
differentiate
Differentiates an expression with respect to a
specified variable.
‰
integrate
Integrates an expression with respect to a specified
variable.
limit
Calculates the limit of an expression with respect to
a specified variable.
G
sum
Evaluates an expression at discrete variable values
within a range and then calculates the sum.
Π
product
Evaluates an expression at discrete variable values
within a range and then calculates the product.
fMin
Finds candidate values of a specified variable that
minimize an expression.
fMax
Finds candidate values of a specified variable that
maximize an expression.
arcLen
Returns the arc length of an expression with respect
to a specified variable.
taylor
Calculates a Taylor polynomial approximation to an
expression with respect to a specified variable.
nDeriv
Calculates the numerical derivative of an expression
with respect to a specified variable.
nInt
Calculates an integral as a floating-point number
using quadrature (an approximation using weighted
sums of integrand values).
deSolve
Symbolically solves many 1st and 2nd order
differential equations, with or without initial
conditions.
Overview of the Calc Menu
You can use the
…
Calc
toolbar menu to select commonly
used calculus functions.
The Calc Menu
Note: For a complete
description of each function
and its syntax, refer to
Appendix A.
Note: The
d
symbol for
differentiate is a special
symbol. It is not the same a
s
typing
the letter D
on the
keyboard. Use
…
1
or
2
=
.