Texas TI-86 用户手册
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.
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.
you edit formula or edit a list referenced in formula.
{1,2,3,4}¶L1 b
{1 2 3 4}
Form("10¹L1",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.
or expression.
fPart 23.45 b
.45
fPart (
L
17.26¹8) 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.
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.
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.
more than four digits, the decimal equivalent is
returned.
1/3+2/7 b
.619047619048
Ans
4Frac b
13/21