Changes

==Examples==

==Examples==

*DEGREES(<math>\Pi</math>)=180

*DEGREES(PI())=180

*DEGREES(<math>\frac{\Pi}{2}</math>)=90

*DEGREES(PI()/2)=90

*DEGREES(<math>\frac{\Pi}{4}</math>)=45

*DEGREES(<math>\frac{\Pi}{4}</math>)=45

*DEGREES(0.523598775598)=29.99999 is equivalent to 30

*DEGREES(0.523598775598)=29.99999 is equivalent to 30