Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The TI-12 Math Explorer is an educational calculator designed particularly for students in grades 3–5. The Math Explorer slotted above the TI-7 MathMate by offering fraction and exponent capabilities, as well as a pi button. The Math Explorer has since been discontinued and was replaced by the two-line TI-15 Explorer. The TI-7 MathMate is a basic educational calculator by Texas Instruments designed for students in grades K-3. The MathMate was unique in the fact that it automatically performed order of operations. The MathMate slotted in between the TI-108 and the TI-12 Math Explorer.

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