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Operations on proper and improper fractions. Includes formulas for adding, subtracting, multiplying and dividing fractions.

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Calculate the percent change from one value to another, from V1 to V2, or

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Calculate the percent increase from a starting value to a final value, or.

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Calculate the percent decrease from a starting value to a final value

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Calculate the percent error of the Experimental (measured) value to the Theoretical (actual) value, or

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new Solve quadratic equations, solve for x in the polynomial equation ax2+bx+c=0 using the quadratic formula

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