Solve for x
x=\frac{y^{2}}{\pi }
y\geq 0
Solve for x (complex solution)
x=\frac{y^{2}}{\pi }
arg(y)<\pi \text{ or }y=0
Solve for y
y=\sqrt{\pi x}
x\geq 0
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\sqrt{\pi x}=y
Swap sides so that all variable terms are on the left hand side.
\pi x=y^{2}
Square both sides of the equation.
\frac{\pi x}{\pi }=\frac{y^{2}}{\pi }
Divide both sides by \pi .
x=\frac{y^{2}}{\pi }
Dividing by \pi undoes the multiplication by \pi .
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