Operation Manual

Math, Angle, and Test Operations 2-13
8202MATH.DOC TI-82, Chapter 2, English Bob Fedorisko Revised: 02/09/01 12:20 PM Printed:
02/09/01 12:36 PM Page 13 of 16
ANGLE Operations
To display the ANGLE menu, press
y
;
. The ANGLE menu displays angle
indicators and instructions. When you select an item from the menu, the name is
copied to the cursor location. Angle entries are interpreted according to the
Radian/Degree MODE setting.
ANGLE Menu
ANGLE
1:
¡
Degree function
2: '
DMS entry notation
3:
r
Radian function
4:
8
DMS
Display as degree/minute/second
5: R
8
Pr(
Returns
R
, given
X
and
Y
6: R
8
P
q
(
Returns
q
, given
X
and
Y
7: P
8
Rx(
Returns
X
, given
R
and
q
8: P
8
Ry(
Returns
Y
, given
R
and
q
Note: Do not enter DMS numbers as
54
¡
32'30"
on the TI
.
82.
54
¡
32'
is
interpreted as implied multiplication of 54
¡
and 32
'
, and
"
is a quote mark
used to enter text.
¡
(Degree)
¡
(degree) lets you designate
angle
as degree, regardless of the current angle
MODE
setting.
angle
may be a list.
angle
¡
' (DMS Entry Notation)
'
(DMS entry notation) lets you enter degrees, minutes, and seconds in DMS
format.
degrees
'
minutes
'
seconds
'
For example, enter
30'1'23'
for 30 degrees, 1 minute, 23 seconds. Note that
the
MODE
setting must be
Degree
(or you must use the
Degree
function)
for the TI
.
82 to interpret the argument as degrees, minutes, and seconds.
Degree
MODE
Radian
MODE
r
(Radians)
r
(radian) lets you designate
angle
as radian, regardless of the current angle
MODE
setting.
angle
may be a list.
angle
r