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• 

  Dr. Del’s Practical Trigonometry

  $47.00

  Tier 2

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• 

  Dr. Del’s Practical Trigonometry with Prerequisites

  $197.00

  Triad Math Inc

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• 

  Dr. Del’s Pre-Algebra

  $47.00

  Tier 1

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• 

  Dr. Del’s Pre-Algebra with Prerequisites

  $87.00

  Triad Math Inc

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• 

  Dr. Dels Family Math Plan – 1 Child

  $25.00 / month

  Triad Math Inc

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• 

  Dr. Dels Family Math Plan – 2 Children

  $30.00 / month

  Triad Math Inc

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• 

  Dr. Dels Family Math Plan – 3 Children

  $35.00 / month

  Triad Math Inc

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• 

  Dr. Dels Family Math Plan – 4+Children

  $40.00 / month

  Triad Math Inc

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• 

  Fractions Made Easy

  $9.00

  Triad Math Inc

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• 

  Master the TI-30Xa Scientific Calculator

  $47.00

  Tier 1

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• 

  Master the TI-30xa Scientific Calculator – Math Tutor Courses Series

  $29.00

  Tier 1

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• 

  Master the TI-30Xa Scientific Calculator – Special Offer

  $2.90

  Triad Math Inc

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