This is a simple pesticide calculating application.
There are four functions.
By specifying the amount of water and dilution rate, it can determine the amount of pesticide.
By specifying the pesticide and the amount of dilution rate, it can determine the quantity of water.
By specifying the amount of pesticides and water, it can determine the dilution rate.
By specifying the dilution rate and the spraying area at the rate of per acre, it can determine the amount of pesticide and water.