Question 984326
<font face="Times New Roman" size="+2">


You round down when the decimal is less than .5.  30" is 0.5 of 1'.


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it

*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \