Texas Instruments TI-15 Explorer Elementary Calculator2 Line, 11 Digit Display
Operations/Functionality: - Electronic flashcards 3 levels of difficulty using the "level of difficulty" key
- Choose from + - x ÷ or find the operation
- Calculator allows entry of a problem
- View hints with "guess and check" feature
- 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
- Conversions between improper fractions and mixed numbers
- Conversions between fractions, decimals and percent
- Calculator chooses or allows entry of a common factor
- View factor used to simplify
- 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
- Powers and square root
- Symbolic ?
- Convert ? to decimal
- Clear last entry or all entries and settings
- Backspace and edit capabilities
- 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
- Allows memory retention of settings and previous entries