This app does not aim to be a full-featured graph drawing app. What this app provides is a quick way to visualize your series of numeric data in a line chart. This is useful when sometimes you just want a graph representation of your numeric data like say your bets statistics etc. Able to save it as an image for viewing later etc. You can key in your numeric data one by one at Setup section by tap List to create a list. Then tap List Item to create a series of numeric data for a specified list.