Texas Instruments TI-86 - Manual (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("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.
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.
[[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 4Frac b 13/21