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This is the advanced calculator used for AP maths – it allows the User to solve quadratic and cubic equations.

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This is the standard calculator approved for mathematic education in schools.

Enter This Weeks Competition
  • Congratulations to Tshilidzi Mutavhatsindi from Dowerglen High School for winnning this challenge question. Your calculator is on the way.
    (Visit the Answer Series website by clicking here)
  • The average of 80 numbers on a list is 79. The average of the first 55 numbers on the list is 74. What is the average of the remaining numbers?
    The answer is D - 90.
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