Texas Instruments TI-15 Explorer Calculator

Texas Instruments Updated: 2008-11-17 RSS
Texas Instruments TI-15 Explorer Calculator

Building Blocks for Future Success
From the kitchen table to the playground, children are intrigued by their world. The TI-15 Explorer™ is a pedagogically sound tool that helps students make connections between classroom learning and real-world situations. The TI-15 Explorer combines the fraction capabilities of the Math Explorer™ with a two-line display, problem solving, place value and more. When the TI-15 Explorer™ is combined with traditional learning tools, it helps students explore their world through investigation and experimentation, and helps develop skills in addition, subtraction, powers, and answer format.


* Hard plastic color-coded keys.
* 2-line display 11 digits per line.
* View up to 2 entries and results simultaneously.
* Review and edit previous entries.
* View division results as quotients with remainders, fractions or decimals.
* Two constant operations: show counters and results.
* Negation key.
* Powers and square root.
* Symbolic pi.
* Convert pi to decimal.
* Fractions displayed in stacked format.
* Choose mixed number or improper fraction results.
* Choose to simplify fractions to lowest terms automatically or step-by-step.
* Display indicates when fraction needs to be simplified.
* Calculator chooses or allows entry of a common factor.
* View factor used to simplify.
* Conversions between improper fractions and mixed numbers.
* Conversions between fractions, decimals and percents.
* Clear last entry or all entries and settings.
* Backspace and edit capabilities.
* Problem solving.
* Calculator chooses a problem.
* Choose from 3 levels of dificulty.
* Choose from + - x ÷ or find the operation.
* Calculator allows entry of a problem.
* View hints with "guess and check" feature.
* Compare numbers and equations including inequalities.
* Place value: thousandths through thousands.
* Round or fix to whole number or decimal places.
* EOS™ Equation Operating System - Performs operations in M-D-A-S order.
* Up to 23 levels of parenthesis.
* Error recovery capabilities.
* Battery and solar power.
* Operates in well-lit areas using solar cell. Operates in other light settings using battery.
* Allows memory retention of settings and previous entries.
* Teacher Kit Available (includes 10 calculators, storage caddy, Teacher's Guide in English and Spanish, calculator poster and transparency)
* Impact-resistant protective cover with quick reference card.
* Mathematics technology newsletters available free of charge.
* Workshop Loan Program.
* TI Technology Rewards program.
* Teacher Training Program.
* Overhead projectable calculator available.
* Toll-free hotline.
* One-year limited warranty.