...Spread includes a very comprehensive calculation engine with over 100 built-in functions to provide formula support. Easily add your own custom functions to Spread. You can also use named expressions or relative cell addressing to reference the formulas. Spread gives you control over printing with options such as page ranges, data ranges, headers and footers, margins, orientation, grid lines, and colors. Spread also supports advanced scaling options to fit the content in the page and APIs for custom printing requirements. The included print preview control makes it easy to preview the printed spreadsheet. ...