Spreadsheet Basic (spBasic) is a Computer Programming Language used in Microsoft's Excel spreadsheets....It is an Excel Add-In which is much simpler to use than Excel's programming language, VBA (Visual Basic for Applications)....It is designed for those who want to do VBA type procedures without having to deal with VBA's complexity....You can use Spreadsheet Basic for calculations which are too complex to fit in a cell formulas and for complex logic and looping over a range of cells....To use spBasic, you write a series of spBasic 'statements' just as in any programming language (Visual Basic, etc.), except in spBasic you can use worksheet cell values as 'variables'....SpBasic uses it's own program edit window and has all the familiar programming statements, 'If', 'For-Next', 'Do While', etc., and many others....SpBasic can use all the Functions available in Excel (SUM, AVERAGE, etc.) which VBA cannot do, plus it can use any custom functions and subroutines you may want to write in VBA....It also has an extensive 'Help' facility where you can add custom help for any functions and subroutines you add....Spreadsheet Basic also makes it easy to collect and analyze data....In addition to being used for regular worksheet applications, spBasic also provides a 'Script' language to control hardware and instrumentation through PC interfaces, and allows you to collect and display data measurements on charts and graphs....Also, the language has built-in functions to control digital multimeters and hardware such as power supplies, and is expandable to control any other instrument or hardware device you may have....Applications can range from the simplest program to complex hardware and instrumentation control. Both simple and complex program examples are included in the free fully functional download....Whether you just use regular worksheets or want to control hardware, spBasic is definitely an Add-In you want to add to your software tools....Try spBasic, you'll like it!