Professor devises easier calculator

June 27, 2005

A Welsh professor and his son have developed an electronic calculator that allows users to write arithmetic problems on a screen and get the answer.

Harold Thimbleby of the University of Swansea said that his calculator is far more accurate than conventional ones because people can simply proceed as if they were doing a calculation on paper, New Scientist reports.

The calculator could be incorporated into hand-held computers.

Thimbleby and his son, Will, tested a group of people with both conventional calculators and the new one. They found that the subjects got the wrong answer more than half the time with the conventional machines and only 19 percent of the time with their calculator.

Conventional calculators using buttons and require numbers and operation signs to be punched in a certain order, and mistakes are easy to make and hard to spot. On Thimbleby's interface, the inventor said, mistakes are harder to make and easy to catch.

Copyright 2005 by United Press International

Explore further: Duke innovations improve accuracy of MRI as internal 'thermometer'

Related Stories

NIST demonstrates data 'repair kit' for quantum computers

December 4, 2004

A practical method for automatically correcting data-handling errors in quantum computers has been developed and demonstrated by physicists at the National Institute of Standards and Technology. Described in the Dec. 2, ...

It's a negative on negative absolute temperatures

December 20, 2013

The concept of a perpetual motion machine is an enticing one: Imagine a machine that runs continuously without requiring any external energy—a feat that could make refueling vehicles a thing of the past.

Qubits in the quantum sea

September 10, 2012

(Phys.org)—"Quantum weirdness," a phrase related to the power and the un-intuitive nature of quantum reality, is expected to facilitate speeded-up computation—quantum computing—for performing certain specialized tasks, ...

Recommended for you

New technique spots warning signs of extreme events

September 22, 2017

Many extreme events—from a rogue wave that rises up from calm waters, to an instability inside a gas turbine, to the sudden extinction of a previously hardy wildlife species—seem to occur without warning. It's often impossible ...

Quantum data takes a ride on sound waves

September 22, 2017

Yale scientists have created a simple-to-produce device that uses sound waves to store quantum information and convert it from one form to another, all inside a single, integrated chip.

0 comments

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.