TI-15 Explorer

TI-15 Explorer is a calculator designed by Texas Instruments, intended for use in classes from grades 3–6.^[1] It is the successor to the TI-12 Math Explorer. For younger students, TI recommends the use of the TI-108. For older students, TI recommends the use of the TI-73 Explorer.

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Features include a 2-line pixel display (as opposed to the 7-segment display of several other calculators) and a quiz-like "problem-solving" mode with 3 difficulty levels.^[2] It also supports limited scientific capabilities, such as parentheses, fixed decimal, fractions, pi, and exponents.

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