reckoner

A noun referring to a person skilled in calculation or a handbook containing tables used to facilitate computation.

ruСуществительное, обозначающее человека, искусного в вычислениях, или справочник, содержащий таблицы для облегчения расчётов.esSustantivo que designa a una persona hábil en hacer cálculos o a un libro de tablas o referencias utilizado para facilitar operaciones aritméticas.frNom désignant une personne habile dans les calculs, ou un ouvrage contenant des tables pour faciliter les calculs.deSubstantiv, das eine Person bezeichnet, die geschickt im Rechnen ist, oder ein Nachschlagewerk mit Tabellen zur Erleichterung von Berechnungen.ptSubstantivo que designa uma pessoa hábil em cálculos ou um livro ou tabela que reúne dados numéricos para facilitar cálculos.zh指善于计算的人，或指包含便于计算的数据表格的参考书。arاسم يدل على الشخص الماهر في الحساب أو على كتاب أو جدول يحوي بيانات وحسابات لتسهيل العمليات الحسابية.

1. Expert in calculation C1 formal

   A person who is skilled at performing calculations or operating calculating machines.

   • The old reckoner could add large sums in his head.
   • She worked as a reckoner for the accounting firm.
   • The team relied on the reckoner for accurate financial projections.

   ruВычислительescalculador expertofrCalculateur expertdeRechnerptCalculadorzh计算者arالحاسب

   同义词: arithmeticiancalculatorcomputercountermathematiciannumber cruncher

2. Reference book for calculations C1 formal

   A handbook or book of tables used to simplify and speed up mathematical computations.

   • The carpenter used a ready reckoner to estimate material costs.
   • Before calculators, every office had a reckoner for quick math.
   • The reckoner contained tables for interest, taxes, and conversions.

   ruСправочник для вычисленийesProntuario de cálculofraide-mémoire de calculdeRechenbuchptLivro de referência para cálculoszh计算用工具书arكتاب الجداول الحسابية

   同义词: ready reckoner

• reckoners plural form
• reckoners' possessive plural form
• reckoner's possessive singular form