FIELD: education. SUBSTANCE: device comprises a casing with transparent opal screen, answer input and comparison unit made in the form of a plate with a matrix, holes accommodating color light filters, program input unit in the form of two drums with assignment code input handles, and a reading unit consisting of lighting device, tape with light-permeable marks, and optical image corrector. EFFECT: wider didactic capabilities and improved handling convenience. 4 dwg
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| 0 |
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