Micrologix 1100 PLC Code Snipit

Code for a Micrologix 1100. RsLogix500 , Version 11.0 Scenario........... One Tank 2500 Gallon Capacity Need a rung that calculates gallons per inch given variable for the tank 1. Diameter of tank 96" 2. Height of measurable level in tank 102" Example Diameter = 96" Height of tank max level 102 inches Capacity = V = (r squared)x(pi)x(h) 6.9 x 3.1416 x 102 = 2222 2222/102 = 21.7 Gallons Per inch 2. 102" is from an analog input 4 ma = 0 , 20 ma = 102 Diameter is a Variable Height is a Variable Analog input needs to feed a Scaling Instruction Will supply a starter file