TI-15 Explorer is a

calculator An electronic calculator is typically a portable electronic device used to perform calculations, ranging from basic arithmetic to complex mathematics. The first solid-state electronic calculator was created in the early 1960s. Pocket-sized ...

Texas Instruments Texas Instruments Incorporated (TI) is an American technology company headquartered in Dallas, Texas, that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globall ...

, intended for use in classes from grades 3-5. It is the successor to the

TI-12 Math Explorer 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 ...

. For younger students, TI recommends the use of the

TI-108 The TI-108 is a basic handheld calculator manufactured by Texas Instruments aimed at introducing younger students to basic arithmetic and calculator functionality. The TI-108 is widely used among younger students due to its low cost, durability ...

. For older students, TI recommends the use of the

TI-73 Explorer The TI 73 series is a series of graphing calculators made by Texas Instruments, all of which have identical hardware. The original TI-73 graphing calculator was originally designed in 1998 as a replacement for the TI-80 for use at a middle sch ...

. Features include a 2-line pixel display (as opposed to the

7-segment display A seven-segment display is a form of electronic display device for displaying decimal numeral system, numerals that is an alternative to the more complex dot matrix displays. Seven-segment displays are widely used in digital clocks, electronic ...

of several other calculators), and a quiz-like "

problem-solving Problem solving is the process of achieving a goal by overcoming obstacles, a frequent part of most activities. Problems in need of solutions range from simple personal tasks (e.g. how to turn on an appliance) to complex issues in business an ...

" mode. It also supports limited scientific capabilities, such as parentheses, fixed decimal, fractions, pi, and exponents. It is recommended by Everyday Mathematics.

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Key features of the TI-15 Explorer
Texas Instruments calculators {{electronics-stub