Orion TI-
30XS MultiView™ User’s Guide - User guide
Version 1.0
Orbit Research
Confidential and Proprietary Information
23
Example
π
2
,
×
,
π
,
enter
Result = 2π
[left-right arrow]
Result = 6.283185307
Problem
What is the area of a circle if the radius is 12 cm?
Reminder: A = πr².
π, ×
,
12
,
^
,
2
,
enter
Result = 144π
[left-right arrow]
Result = 452.3893421
The area of the circle is 144
π
square cm. The area of the circle is approximately
452.4 square cm when rounded to one decimal place.
3.16 Angle menu
2nd [angle]
2nd [angle]
displays the choice of two submenus that enable you to specify the
angle unit modifier as degrees (°), minutes ('), seconds ("); radian (r); gradian (g),
or convert units using
[right arrow DMS]
. You can also convert between
rectangular coordinate form (R) and polar coordinate form (P). (See
Choose an angle mode from the mode screen. You can choose from DEG
(default), RAD, or GRAD. Entries are interpreted and results displayed according
to the angle mode setting without needing to enter an angle unit modifier.
Examples
RAD
mode, right arrow, enter
Result = RAD
clear, sin
,
3, 0
,
2nd, [angle]
Result = DMS 1:
1
,
), enter
Result = 1/2
DEG
mode, enter
Result = DEG
clear
,
2
,
π, 2nd, [angle]
,
4
,
enter
Result = 360
[right arrow DMS]
1
,
·
,
5
,
2nd, [angle]
,
6
,
enter
Result = 1°30′0″
Problem
