The evolution of LED calculator displays In the last year the electronic calculator has come of age with many hundreds of thousands of hand-held models being sold every month. This dramatic in- crease in sales is due to two factors, de- creasing prices (as low as five pounds for simple models) and vastly improved per- formance. The improved performance is directly attributabkto a maturing MOS industry, the lower cost is partly MOS improvements but more significantly Display cost reductions.
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