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The Computer Journal 1968 11(1):63-64; doi:10.1093/comjnl/11.1.63
© 1968 by British Computer Society
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A graphical technique for numerical input

W. M. Newman *

Aiken Computation Laboratory, Harvard University, Cambridge, Massachusetts, USA

This paper described the Light Handle, a programming technique which simulates the action of a shaft encoder, using a display and light pen. It can also be used in place of a typewriter for entering numerical information. The program occupies very little memory and is easy to operate.

First received October 1967.

* Aiken Computation Laboratory, Harvard University, Cambridge, Massachusetts. Previously at the Centre for Computing and Automation, Imperial College, London. (The work described here was supported by a Science Research Council Contract No. B/SR/2071, ‘Computer Processing of Three-Dimensional Shapes.’)


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