calculation form; tally sheet; worksheet
A sheet of paper used for performing calculations, keeping tallies, or recording numerical work. Common in accounting, inventory, and manual computation contexts.
In the accounting department, they write numbers on calculation forms every day.
During inventory, we need many tally sheets.
計算書 is a formal statement or report of calculations, often a printed document, while 計算用紙 is a working sheet for manual calculations.
集計表 is a summary table or aggregation sheet, whereas 計算用紙 is a general-purpose calculation sheet.
Compound of 計算 (calculation) + 用紙 (form/sheet). A straightforward modern compound with no obscure historical derivation.