Available Functions:

• e()
• ln()
• sin()
• cos()
• tan()
• arcsin()
• arccos()
• arctan()

Example Equations:

• 2*cos((x^2+2*y^2)/4)
• cos(8*x/y)
• cos((x^2)^0.5+(y^2)^0.5)
• cos((x^2)^0.5+(y^2)^0.5)*((x^2)^0.5+(y^2)^0.5)
• (20*x^2+10*y^2)^(1/2)
• 5*e(1-x^2+y^2)
• (81-x^2+y^2)^0.5
• ln(x^2+y^2)
• ln(x+y^2)
• (144-x^2+y^2)^0.5
• arctan(x*y)