A worksheet, in the word’s original meaning, is a piece of stationery on which one performs work. They come in several kind forms, most commonly linked with children’s school activity task, tax forms, or accounting or other business environments. Software is raisingly expropriating the paper-based worksheet.
It can be a published page that a children completes with a writing tool. No materials are needed. It is “a sheet of paper on which schedules activity, working time, special guidances, etc. are recorded. A sheet of paper on which issues, ideas, or the like, are write down in temporary form.” In school, a worksheet may have questions for students and where to record answers.
In department of accounting, a worksheet is, or was, a piece of regulated paper with rows also columns on which an accountant could write information or do calculations. These are oftentimes called columnar pads, also typically green-tinted.
In IT, spreadsheet application presents, on a PC monitor, a UI that resembles one or more paper accounting worksheets. MS Excel, a popular spreadsheet application, refers to a single spreadsheet (more technically, a 2-dimensional matrix or array) as a worksheet, also it refers to a collection of worksheets as a workbook.