The Worksheet, in the word’s genuine meaning, is a sheet of paper on which one performs activity. They come in many kind shapes, most ussually linked with kid’s school work task, tax forms, and accounting or other business circumferences. Application is increasingly taking over the paper-based worksheet.
It could be a published page that a kid completes with a writing tool. No materials are required. It’s “a sheet of paper on which schedules activity, working time, specific hints, etc. are noted. A scrap of paper on which problems, ideas, or the like, are set down in tentative form.” In education, a worksheet may have questions for students also places to record answers.
In accounting, a worksheet is, or was, a scrap of instructed paper with rows or columns on which an accountant could note information or perform calculations. These are oft called columnar pads, and exclusively green-tinted.
In IT, spreadsheet software presents, on a computer monitor, a user interface that alike one or more paper accounting worksheets. MS Excel, a popular spreadsheet application, bases on a single spreadsheet (more technically, a 2 dimensional matrix or array) as a worksheet, also it bases on a collection of worksheets as a workbook.