Calculate The Volume And Create a Dipstick Table For Horizontal Circular & Elliptical Tank. The Volumes (Liters, UK Gal, US Gal.)You can save the list or send it by mail or other, print it on paper by computer or phone.This is the (PROMO version) with all the functions, only it limits the maximum diameter 800 mm. And the minimum interval to 10 mm.For Circular Tank, you can select the Head Type. (Flat, Elliptical, Hemispheric, ASME F&D Dished.