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Teacher Calculator Kit - TI15TK
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Texas Instruments Teacher Calculator Kit - TI15TK

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Condition: Brand new, USA Warranty
Teacher kit of (10) TI15 Calculators includes carrying case, teacher guide, poster and transparency. See TI251TK for Overhead Calculator.
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Encourage students in grades 3 - 6 to develop their problem-solving skills and begin connecting mathematic concepts with real-world situations.

Begin building the foundation for future math success

The calculator can display two forms of fractional results simultaneously; allowing students to begin making crucial mathematic connections. Challenge them to manually simplify fractions and mixed numbers in traditional numerator/denominator format or enable the calculator to automatically simplify them or change them to decimal equivalents.

Engage students in self-directed problem solving

Encourage students to explore math on their own with built-in flash cards that challenge their addition; subtraction; multiplication and division skills. Set the flash cards for the appropriate age and type of operation. The flash card functionality gives students hints when a wrong answer is entered and includes an internal scoreboard enabling teachers to check each student's progress.

Product Features:

  • Simplify fractions to lowest terms automatically or step-by-step
  • Convert improper fractions; fractions; mixed numbers; decimals and percent
  • Perform operations in M-D-A-S order
  • View up to two entries and results simultaneously


Built-in 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
  • Negation key
  • 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


  • Hard plastic; color-coded keys
  • Two-line; eleven digits per line
  • Battery and solar power
  • Impact-resistant cover with quick reference card
  • Kit available includes 10 calculators; storage caddy; Teacher's Guide in English and Spanish; calculator poster and transparency
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