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(
Ü
pdf(
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:
Ü
pdf(
FRAC Answers
Displays answers as fractions, if possible.
z
Answers: FRAC
value
4
Frac
Displays a real or complex number, expression, list, or
matrix as a fraction simplified to its simplest terms.
MATH
1:
4
Frac
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(
Function or
Instruction/Arguments
Result
Key or
Keys/Menu or
Screen/Item
