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• New

  4 out of 5

  Step-by-step instructions to perform Hypothesis Test and how to do in Excel

  Graduate statistics in excel

  $19.95 Read more
• New

  5 out of 5

  The easy to understand math tutorials Collection

  Math tutorials collection

  $24.97 Read more
• New

  1 out of 5

  E-book On Relativity And Cosmology, Written For Engineers By An Engineer.

  Relativity 4 Engineers.

  $9.95 Read more
• New

  4 out of 5

  20-inquiry based lesson plans, how to do a science expo, parents package.

  Science fair projects

  $19.95 Read more
• New

  5 out of 5

  Learn about the people of South Africa.

  South African History

  $75.00 Read more