ready reckoner

Nghĩa (Tiếng Anh)

1. (historical) A printed book or table containing precalculated values, often multiples of given amounts.
2. A computer program which calculates values; an online calculator.

Từ đồng nghĩa

reckoner

worksheet

Bản dịch

Rechentabellen

barème

Từ nguyên (Tiếng Anh)

Coined by English grammarian and textbook writer Daniel Fenning in 1757.