Texas Instruments TI-86 - Page 310

298
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 298 of 118
Form(
LIST OPS menu
Form("
formula
",
listName
)
Generates the contents of
listName
automatically,
based on the attached
formula
. If you express
formula
in terms of a list, you can generate one list based on the
contents of another.
The contents of
listName
are updated automatically if
you edit
formula
or edit a list referenced in
formula
.
{1,2,3,4}
¶
L1
b
{1 2 3 4}
Form("10
¹
L1",L2)
b
Done
L2
b
{10 20 30 40}
{5,10,15,20}
¶
L1
b
{5 10 15 20}
L2
b
{50 100 150 200}
Form("L1/5",L2)
b
Done
L2
b
{1 2 3 4}
fPart
MATH NUM menu
fPart
number
or
fPart (
expression
)
Returns the fractional part of a real or complex
number
or
expression
.
fPart 23.45
b
.45
fPart (
L
17.26
¹
8)
b
L
.08
fPart
list
fPart
matrix
fPart
vector
Returns a list, matrix, or vector in which each element
is the fractional part of the corresponding element in
the specified argument.
[[1,
L
23.45][
L
99.5,47.15]]
¶
MAT
b
[[1
L
23.45]
[
L
99.5 47.15 ]]
fPart MAT
b
[[0
L
.45]
[
L
.5 .15 ]]
4
Frac
MATH MISC menu
number
4
Frac
Displays a real or complex
number
as its rational
equivalent, a fraction reduced to its simplest terms.
If
number
cannot be simplified or if the denominator is
more than four digits, the decimal equivalent is
returned.
1/3+2/7
b
.619047619048
Ans
4
Frac
b
13/21