thes
      4,
      Ns
      270277
      3BD1
     
    
   
   
    
     
       
     
    
   
   
    
     
       
     
    
   
   
    
     
      SCIENTIFIC
      GENIU
     
    
   
   
    
     
       
     
    
   
   
    
     
       
     
    
   
   
    
     
      Tl-68:
      254-function
      calculator
      for
      technical
     
     
      students
      and
      professionals
     
    
   
   
    
     
      The
      further
      you
      goin
      engineering
      math
      and
      other
      technical
     
     
      courses,
      the
      more
      you
      need
      a
      scientific
      calculator
      that
      speeds
     
     
      you
      through
      complex
      problems.
      With
      254
      powerful
      advanced
     
     
      scientific
      functions,
      the
      T1-68
      from
      Téxas
      Instruments
      is
      both
     
     
      a
      smart
      choice
      and
      an
      exceptional
      value.
      The
      TI-68
      easily
     
     
      solves
      up
      to
      five
      simultaneous
      equations
      with
      real
      or
      complex
     
     
      coefficients...
      evaluates
      40
      complex
      number
      functions.
      ..and
     
     
      allows
      polar
      and
      rectangular
      forms
      for
      entries
      and
      results.
     
    

    
     
      Aconvenientlast
      equation
      replay
      feature
      lets
      you
      check
      your
     
     
      answers
      without
      re-entering
      them.
      Formula
      programming
     
     
      provides
      up
      to
      440
      program
      steps
      for
      as
      many
      as
      12
      user-
     
     
      generated
      formulas.
      Perform
      operations
      in
      four
      number
      bases,
     
     
      one-and
      two-variable
      statistics,
      and
      Boolean
      logic
      operations.
     
     
      The
      polynomial
      root
      finder
      calculates
      real
      and
      complex
      roots
     
     
      of
      quadratic,
      cubic
      or
      quartic
      equations.
     
    

    
     
      Only
      the
      T1-68
      delivers
      so
      much
      functionality,
      value
      and
     
     
      ease
      in
      one
      compact,
      advanced
      scientific
      tool.
     
    
   
   
    
     
      SPECIAL
      LIMITED
      TIME
      OFFER
      ON
      THE
      TI-68
      ONLY!!
     
     
      Free
      Illustrated
      T-Shirt
      with
      Every
      TI-68
      Purchase
     
    
   
   
    
     
      at
      all
      Participating
      Texas
      Instruments
      Dealers.
     
    
   
   
    
     
      j
     
     
      EXAS
      sl
     
     
      INSTRUMENTS
     
    
   
   
    
     
      DALLAS,
      TEXAS
     
     
      For
      the
      Dealer
      Nearest
      You,
      Call:
      =
      Ont.
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      TI-81:
      Powerful,
      easy
      to
      use
      300-Function
     
     
      graphic
      calculator
     
    
   
   
    
     
      The
      TI-81
      Graphics
      Calculator
      from
      Texas
      Instruments
      is
     
     
      the
      first
      graphics
      calculator
      developed
      with
      leading
     
     
      mathematics
      educators
      and
      experienced
      classroom
      teachers
     
     
      specifically
      for
      the
      special
      needs
      of
      mathematics
      education.
     
    

    
     
      Power
      to
      attract
      young
      minds.
      The
      TI-81
      has
      been
     
     
      designed
      toenhance
      students’
      understanding
      of
      the
      conceptual
     
     
      relationship
      between
      graphical
      and
      algebraic
      representations.
     
     
      It
      offers
      unique
      capabilities
      for
      easily
      entering
      and
      saving
     
     
      functions,
      choosinga
      viewing
      range,
      and
      automatically
      plotting
     
     
      functions.
      Computer-like
      features
      and
      cursor
      keys
      provide
     
     
      flexible
      zoom
      capabilities
      and
      greatly
      simplify
      tracing
      along
     
     
      functions,
      with
      both
      X
      and
      Y
      coordinate
      values
      displayed.
     
    

    
     
      In
      addition
      to
      these
      interactive
      graphing
      features,
      the
      TI-81
     
     
      also
      handles
      parametric
      equation
      graphing,
      matrix
      operations,
     
     
      and
      one-
      and
      two-variable
      statistical
      analysis.
      It
      even
      has
     
     
      extensive
      programming
      capabilities
      and
      special
      drawing
      and
     
     
      shading
      features.
      A
      special
      guidebook
      written
      with
      the
      help
      of
     
     
      leading
      mathematics
      educators
      is
      provided.
     
    

    
     
      Designed
      for
      easy
      use.
      The
      clean-looking
      TI-81
      provides
     
     
      more
      features
      than
      many
      complex-looking
      calculators
      by
     
     
      making
      extensive
      use
      of
      familiar
      “pull-down”
      screen
      menus.
     
     
      These
      menus
      permit
      clear,
      descriptive
      labels
      to
      identify
     
     
      complex
      functions
      so
      students
      can
      easily
      access,
      select,
      and
     
     
      execute
      desired
      operations.
      Students
      will
      appreciate
      the
      larger,
     
     
      well-spaced,
      colour-coded
      keys
      with
      clear
      descriptive
      names.
     
     
      Graphing,
      standard
      scientific,
      and
      advanced
      functions,
      along
     
     
      with
      the
      cursor
      keys,
      are
      logically
      arranged
      in
      groups
      to
      reduce
     
     
      confusion.
     
    
   
   
    
     
      Que.
      (514)
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      Alta.
      (403)
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      or
      B.C.
      (604)
      278-4871