Ever have a container or bottle of like parts such as pills, screws, nuts, bolts or even ammunition in an Ammo Box. As long as each piece has the same weight you can easly caculate the total quantity of your container using this app. Simply take 20 or so pieces (The larger your sample the better the accuracy) and weigh them. Then weigh your container. Enter your Sample Size, Sample Weight and Container Weight into the program. Once entered, you can save the information and next time you want to know the quantity of your container, just place it on the scale and enter the Total Weight and you will have your answer. * Save up to 15 presets * Scale Count items such as - Screws - Bolts - Nuts - Pills - Ammo - Any number of parts as long as each part is the same weight.