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Fmax, Fmin, Fnint – Texas Instruments TI-86 User Manual

Page 308: Fnoff

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296

Chapter 20: A to Z Function and Instruction Reference

20ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 296 of 118

fMax(

CALC menu

fMax(

expression

,

variable

,

lower

,

upper

)

Returns the value at which a local maximum of
expression

with respect to variable occurs, between

real lower and upper values for variable.

The tolerance is controlled by the built-in variable

tol

,

whose default is 1

E

L5. To view or set

tol,

press - ™

) to display the tolerance editor.

fMax(sin x,x,

L

p,p) b

1.57079632598

fMin(

CALC menu

fMin(

expression

,

variable

,

lower

,

upper

)

Returns the value at which a local minimum of
expression

with respect to variable occurs, between

real lower and upper bounds for variable.

The tolerance is controlled by the built-in variable

tol

,

whose default is 1

E

L5. To view or set

tol,

press - ™

) to display the tolerance editor.

fMin(sin x,x,

L

p,p) b

L

1.57079632691

fnInt(

CALC menu

fnInt(

expression

,

variable

,

lower

,

upper

)

Returns the numerical function integral of expression
with respect to variable, between real lower and upper
bounds for variable.

The tolerance is controlled by the built-in variable

tol

,

whose default is 1

E

L5. To view or set

tol,

press - ™

) to display the tolerance editor.

fnInt(x

2

,x,0,1) b

.333333333333

FnOff

† GRAPH VARS menu

FnOff

function#

,

function#

, ...

Deselects the specified equation function numbers.

FnOff 1,3 b

Done