[NetBehaviour] New calculator makes solving tricky sums easy
marc.garrett at furtherfield.org
Tue Jun 28 12:46:12 CEST 2005
*New calculator makes solving tricky sums easy*
* 11:03 27 June 2005
* NewScientist.com news service
* Duncan Graham-Rowe
A novel calculator interface makes solving tricky sums easy, as users
can simply write them onto a screen and then watch the answer appear.
The device could easily be incorporated into stylus-controlled handheld
computer and its inventors say it reduces the number of errors that
This is because the interface does away with the awkward and unnatural
syntax of conventional button-based calculators, says Harold Thimbleby
at the University of Swansea, in Wales, UK. These often require data to
be entered in a non-intuitive order. In contrast, calculations on the
new interface are written exactly as they would be on paper.
The system also allows a wider range of calculations to be made in a
faster and more flexible way. To do this it uses custom-built character
recognition software that works out the relationships between characters
and symbols by looking at their relative positions.
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