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IL266320D0
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A computer game for practicing percentages
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IL265400D0
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A computer game for practicing trigonometric functions
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IL262998D0
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A computer game of trigonometric functions matrix
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IL262077D0
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A computer game for practicing linear equations
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IL261198D0
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A computer game for practicing set notation
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IL259928D0
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Expression editor for mathematical statement forms
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IL259840D0
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Computer based set theory training
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IL143667D0
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Apparatus and method for inputing characters having a sliding button
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