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      11 months ago

      Addition = 1 mathgem.

      Subtraction = 2 mathgems.

      Multiplication = 3 mathgems.

      Division = 5 math gems.

      Square root = 10 mathgems.

      100 math gems = £1.99.

      1,000 math gems = £15.99.

      10,000 math gems = £129.99. BEST VALUE