Texas Instruments TI-30XIIS Teachers Guide - Page 101
Angle Settings and Conversions
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Angle Settings and Conversions 16 Keys 1. I displays the following menu that lets you change the angle mode setting to DEG, RAD, and GRD without affecting the value in the display. DEG Sets degree mode. RAD Sets radian mode. GRD Sets gradient mode. The default setting is DEG. 2. = displays a menu that lets you specify the unit of an angle. º Å Æ r g DMS Specifies degrees. Specifies minutes. Specifies seconds. Specifies radians. Specifies gradients. Lets you convert an angle from decimal degrees to DMS notation. Notes • The examples on the transparency masters assume all default settings. • Angles with a trig function ignore the angle mode setting and display results in the original unit. Otherwise, angles (without a trig function) are converted and displayed according to the angle mode setting. • You enter decimal-degree angles the same as you would any other number. 1 • For decimal/DMS conversions, the calculator interprets all values as degrees, 2 regardless of the angle-unit setting. • DMS angles are entered as º (degrees), ´ (minutes), and ´´ (seconds). © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 94