Texas Instruments TI-86 - Manual (Page 308)

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