Education - Calculating Tools

Here you will learn some English words related to calculating tools such as "calculator", "abacus", and "counting rod".

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calculator [noun]

a small electronic device or software used to do mathematical operations

Ex: The calculator has a memory function for storing results .

scientific calculator [noun]

a specialized calculator designed for solving complex mathematical and scientific equations, commonly used by students, engineers, and scientists

Ex: He programmed his scientific calculator with custom functions to streamline repetitive calculations in his research .

printing calculator [noun]

a type of calculator equipped with a built-in printer that produces a physical record of calculations

Ex: The small business owner relied on a printing calculator to track sales and expenses , printing out daily summaries for record-keeping purposes .

programmable calculator [noun]

a type of calculator that allows users to write and execute customized programs to automate complex calculations

Ex: The electrical engineer utilized a programmable calculator to automate calculations for circuit design .

RPN calculator [noun]

a type of calculator that operates on a postfix notation system, where operators follow their operands, offering simplicity and efficiency in engineering and scientific calculations

Ex: The programmer preferred an RPN calculator for its streamlined workflow in coding and debugging tasks .

mechanical calculator [noun]

a device that performs arithmetic operations through mechanical means, often using gears, levers, and other physical mechanisms, predating electronic calculators

Ex: The engineer relied on a mechanical calculator to perform calculations for bridge designs before the advent of electronic calculators .

calculating machine [noun]

a mechanical or electronic device designed for performing arithmetic operations such as addition, subtraction, multiplication, and division

Ex: The calculating machine on my desk helps me quickly crunch numbers for my business .

abacus [noun]

a tool used for counting and calculating that consists of a frame with rods or wires on which beads or stones are moved up and down using hands

Ex: The abacus is still used in some schools to teach arithmetic .

Napier's bones [noun]

a set of numbered rods used for multiplication and division, invented by John Napier in the 17th century

Ex:

reckoning board [noun]

a manual calculating tool with rows of beads or counters on rods or wires used for basic arithmetic operations

Ex: Historically , bankers and accountants relied on reckoning boards to keep track of financial transactions before the advent of modern calculators .

counting rod [noun]

a tool with marked rods or sticks used in ancient math, especially in Chinese and Japanese traditions

Ex: In Japan , counting rods , known as " soroban , " are still used in some schools to teach arithmetic skills to students .

comptometer [noun]

a mechanical calculator developed in the late 19th century, featuring multiple rows of keys corresponding to digits

Ex: Before electronic calculators became widespread , operators were trained to use comptometers for accounting tasks .

difference engine [noun]

a mechanical calculator designed by Charles Babbage in the 19th century, intended to perform mathematical calculations automatically by the method of finite differences, considered a precursor to modern computers

Ex:

Curta [noun]

a compact, hand-cranked mechanical calculator invented by Curt Herzstark in the 1940s, renowned for its innovative design and portability, capable of performing complex arithmetic calculations

Ex: The mathematician showcased the elegance of the Curta calculator 's design while demonstrating its capability to solve complex equations at a conference .

slide rule [noun]

a mechanical analog device used for mathematical calculations, consisting of two logarithmic scales that slide past each other

Ex: The architect used a slide rule to scale down the dimensions of the building blueprint .

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