Meaning

2 senses
  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.

More definitions
  • a handbook of tables used to facilitate computation

Origin

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

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

Wiktionary, CC BY-SA 4.0 · source

Forms

plural: ready reckoners

Synonyms

1 synonyms
Close in meaning
  • a handbook of tables used to facilitate computation:reckoner

See also

neighbours in the dictionary
ready reckoner — meaning, examples, forms, synonyms | Krumeto