Texas Instruments TI-86 - Page 291

Chapter 20: A to Z Function and Instruction Reference
279
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 279 of 11820ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 279 of 118
4
Dec
BASE CONV menu
number
4
Dec
list
4
Dec
matrix
4
Dec
vector
4
Dec
Returns the decimal equivalent of the real or complex
argument.
In
Hex
number base mode:
2
¹Ú b
1
Ùß
Ans
4
Dec
b
30
Þ
{
Õ
,
Ö
,
×
,
Ø
,
Ù
}
4
Dec
b
{10
Þ
11
Þ
12
Þ
13
Þ
14
Þ
}
Degree
† mode screen
Degree
Sets degree angle mode.
In
Degree
angle mode:
sin 90
b
1
sin (
p
/2)
b
.027412133592
Degree entry:
¡
MATH ANGLE menu
number
¡
or
(
expression
)
¡
Designates a real
number
or
expression
as degrees,
regardless of the angle mode setting.
In
Radian
angle mode:
cos 90
b
L
.448073616129
cos 90
¡
b
0
list
¡
Designates each element in
list
as degrees.
cos {45,90,180}
¡
b
{.707106781187 0
L
1}
Deltalst(
LIST OPS menu
(Deltal shows on menu)
Deltalst(
list
)
Returns a list containing the differences between
consecutive real or complex elements in
list
. This
subtracts the first element in
list
from the second
element, the second from the third, and so on. The
resulting list is always one element shorter than
list
.
Deltalst({20,30,45,70})
b
{10 15 25}