User Guide

Appendix A: Functions and Instructions 360
fMax(expression,
variable,lower,upper
[,tolerance])
Returns the value of variable where the local maximum of
expression occurs, between lower and upper, with specified
tolerance.

MATH
7:fMax(
fMin(expression,variable,
lower,upper[,tolerance])
Returns the value of variable where the local minimum of
expression occurs, between lower and upper, with specified
tolerance.

MATH
6:fMin(
fnInt(expression,variable,
lower,upper[,tolerance])
Returns the function integral of expression with respect to
variable, between lower and upper, with specified tolerance.

MATH
9:fnInt(
FnOff [function#,
function#,...,function n]
Deselects all Y= functions or specified Y= functions.

Y-VARS
4:On/Off
2:FnOff
FnOn [function#,
function#,...,function n]
Selects all Y= functions or specified Y= functions.

Y-VARS
4:On/Off
1:FnOn
:For(variable,begin,end
[,increment])
:commands
:End
:commands
Executes commands through End, incrementing variable
from begin by increment until variable>end.
†

CTL
4:For(
fPart(value) Returns the fractional part or parts of a real or complex
number, expression, list, or matrix.

NUM
4:fPart(
Üpdf(x,numerator df,
denominator df)
Computes the Û distribution probability between
lowerbound and upperbound for the specified numerator df
(degrees of freedom) and denominator df.
y =
DISTR
9:
Üpdf(
FRAC Answers Displays answers as fractions, if possible.
z
Answers: FRAC
value
4Frac
Displays a real or complex number, expression, list, or
matrix as a fraction simplified to its simplest terms.

MATH
1:
4Frac
Full Sets full screen mode.
† z
Full
Func Sets function graphing mode.
†
z
Func
GarbageCollect Displays the garbage collection menu to allow cleanup of
unused archive memory.
y N
GarbageCollect
gcd(valueA,valueB) Returns the greatest common divisor of valueA and valueB,
which can be real numbers or lists.

NUM
9:gcd(
F unction or
Instruction/Arguments Result
Key or
Keys/Menu or
Screen/Item