Read Description

 
 
 

 
Enter a formula for polar coordinate r in terms of theta (using a 't'to represent theta) in the top box. Enter a 
beginning and ending angle,and a value for maximum expected r. Then hit the Plot! button. If you make an error in 
the writing the formula, use the Refresh button in your browser.This page demonstrates the use of JavaScript and
DHTML to produce graphs of functions in polar coordinates. Functions available in JavaScript are abs(x),acos(x),
asin(x),atan(x),ceil(x),cos(x),exp(x),floor(x), log(x), max(x,n), min(x,n), pow(x,n), random(),round(x), sin(x),
sqrt(x)and tan(x).
See some interesting functions below to try plotting:


 
				
a circle: r = 1     {an s orbital}				
  
another circle: sin(t)
				
  
and one more: cos(t)
				
  
a vertical line: 1/cos(t)
				
  
a horizontal line: 1/sin(t)
				
  
a straight line: 2/(sin(t)-1*cos(t))      {with slope of 1 and intercept of 2}
				
  
a parabola: tan(t)/cos(t)
				
  
a limaçon: 1-2*cos(t)
				
  
a limniscate: sqrt(abs(sin(2*t)))
				
  
a cardioid: 2+2*sin(t)
				
  
spiral of Archimedes: t
				
  
exponential spiral: exp(t/50)
				
  
logarithmic spiral: log(t)
				
  
parabolic spiral: sqrt(t)
				
  
reciprocal spiral: 1/t
				
  
exponential reciprocal spiral: exp(-t/20)
				
  
logarithmic reciprocal spiral: 1/log(t
				
  
three-leafed rose: sin(3*t)
				
  
five-leafed rose: sin(5*t)
				
  
a cissoid: sin(t)*tan(t)
				
  
conchoid of Nicomedes: 2/cos(t)-1
				
  
a parabola: 2/(1-cos(t))
				
  
an ellipse: 20/(7-3*cos(t))
 
				
  
a py orbital: pow(sin(t),2)
				
  
a px orbital: pow(cos(t),2)
				
  
a dz2 orbital: pow(1-3*cos(t)*cos(t),2)
				
  
a dxz orbital: pow(sin(t)*cos(t),2)
			

 
			

			
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