A feel for numbers;News in brief;Mathematics

23rd May 1997 at 01:00
A talking scientific calculator has been produced by the Royal National Institute for the Blind, the Open University and RNIB New College, Worcester. A tactile membrane does not de-sensitise fingertips, so reading braille while operating the calculator is made easier. It can be plugged into a computer or printer and costs pound;180 plus VAT (product code DE24) from: RNIB customer services, tel: 0345 456457.

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