The sphere calculator finds the radius, diameter, surface area and volume of a sphere.
            
            Additionally, the calculator will generate a step-by-step solution on how
            the problem was solved.
            
        
 
        | $$ V = \frac{4a^3 \times \pi}{3} $$ | 
| volume | 
| $$ A = 4 \times r^2 \pi $$ | 
| area |