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===Back Cover of Manual===
The Addition and Subtraction 2 module extends the fundamentals of these two skills to include numbers up to 18. The activities have been designed not only to challenge your child, but also to present the concepts in a dynamic, exciting way. With Addition and Subtraction 2, Texas Instruments is continuing its tradition of applying innovative Solid State Speech<sup>TM</sup> technology to educational activities. The optional [[Solid State Speech Synthesizer|Solid State Speech<sup>TM</sup> Synthesizer]] (sold separately) adds the feature of computer speech to the color graphics and musical sounds of your computer. Your child can now hear, as well as see, the instructions and problems in the module.
===Triton Catalog - Spring 1984===
Second in the series. A tutorial package moving on to more difficult problems and techniques. Grades 1-2 (Speech Synthesizer recommended.)
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