Insects such as cucumber beetles and aphids can cause significant damage to young seedlings and will bore their way through various parts of the plant. An unchecked infestation can easily kill young seedlings before they have a chance to mature and fruit.
Visual Basic for Applications (VBA) in Excel, is a powerful and sophisticated built-in programming language that allows you to write your own functions or commands in an Excel spreadsheet.
For example, it can be used to automatically create a Word report from Excel data, which are automatically collected by Excel from polled observation sensors. VBA has the ability to use (but not create) (ActiveX/COM) DLLs, and later versions add support for class modules.