Texas Instruments TI-83 PLUS - Manual (Page 592)

TI-83 Plus Activities 589
interactive solver editor is displayed, press } to display the equation
editor.
2. Enter the formula as 0=A N NB 2 sin( p / N)cos( p / N) , and then press
Í . The interactive solver editor is displayed.
3. Enter N=4 and B=6 to find the area ( A ) of a square with a distance ( B )
from center to vertex of 6 centimeters.
4. Press } } to move the cursor onto A , and then press ƒ \ .
The solution for A is displayed on the interactive solver editor.
5. Now solve for B for a given area with various number of sides. Enter
A=200 and N=6 . To find the distance B , move the cursor onto B , and
then press ƒ \ .