Angle Operations - Texas Instruments TI-80 Manual Book

ANGLE Operations

To display the ANGLE menu, press 2 E. 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
Menu
°
(Degree)
r (Radians)
2-14 Math, Angle, and Test Operations
ANGLE
1: ¡ Degree notation.
r
2: Radian notation.
3: R8Pr( Returns
4: R8Pq( Returns
5: P8Rx( Returns
6: P8Ry( Returns
¡ (degree, ANGLE , item 1) lets you designate an angle or list of
angles as degrees, regardless of the current angle mode
setting. In RADIAN
degrees to radians.
value ¡
r
(radians, ANGLE
of angles as radians, regardless of the current angle mode
setting. In DEGREE
radians to degrees.
r
value
, given and
r X Y
q , given and
X Y
, given and
x R
y , given R and
mode, ¡ can also be used to convert
RADIAN
, item 2) lets you designate an angle or list
r
mode, can also be used to convert
DEGREE
.
.
q .
q .
Mode
Mode