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An Audible Calculator
|Title:||An Audible Calculator|
|Date Issued:||15 Jan 2014|
|Publisher:||University of Hawaii at Manoa|
|Abstract:||The design of an audible calculator is the topic of this paper. That is, a device which, when given an arithmetic expression via a keyboard, audibly echoes each entry and announces the answer. The basis for the calculator is provided by an Intel 8080 microprocessor controlling a cassette tape player. The calculator 'speaks' by having the microprocessor (and associated logic circuitry) select words from a pre-recorded vocabulary on cassette tape. This calculator turns out to be slightly impractical from the user's point of view. The reason for this is the low rate of feedback; in other words, it is not able to •talk' fast enough. A brief discussion of possible solutions to this problem and other possible improvements is presented.|
|Rights:||All UHM Honors Projects are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission from the copyright owner.|
|Appears in Collections:||
Honors Projects for Engineering|
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