Worksheet, in the word’s genuine meaning, is a sheet of stationery on which one performs activity. They come in many kind forms, most ussually connected with kid’s school activity task, tax forms, or accounting or other business environments. Software is increasingly taking over the paper-based worksheet.
It can be a published page that a children completes with a writing tool. No other materials are required. It’s “a single paper on which work schedules, working time, specific instructions, etc. are wrote. A scrap of paper on which issues, ideas, or the like, are write down in temporary form.” In education, a worksheet may have questions for students or places to record answers.
In department of accounting, a worksheet is, or was, a sheet of ruled paper with rows or columns on which an accountant could register information or perform calculations. These are oft named columnar pads, or exclusively green-tinted.
In IT, spreadsheet software presents, on a PC monitor, a user interface that like one or more paper accounting worksheets. Microsoft Excel, a favorite spreadsheet software, bases on a single spreadsheet (more technically, a 2 dimensional matrix or array) as a worksheet, or it refers to a collection of worksheets as a workbook.