6 modes: percent of, increase, decrease, what percent, reverse.
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Mean, median, mode, range and standard deviation.
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Area of square, rectangle, triangle, circle, trapezoid.
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Volume of cube, sphere, cylinder, cone and pyramid.
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Add, subtract, multiply and divide fractions. Simplified.
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Direct and inverse proportions solved instantly.
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Greatest Common Divisor and Least Common Multiple.
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