Math uses letters to indicate that specific numbers are not known or as an abbreviation for certain constant.
In ordinary everyday letters . . . pi In Greek letters . . . Π
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Letters used in math are called variables.
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Arithmetic math is easy to do. All you d in arithmetic math is adding and subtracting fractions, decimals and mixed numbers by letters.
Satan put letters in math during the time period in which the emancipation proclamation was being signed
In ordinary everyday letters . . . pi In Greek letters . . . Π
Trig
Variables
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Letters used in math are called variables.
Arithmetic
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Arithmetic math is easy to do. All you d in arithmetic math is adding and subtracting fractions, decimals and mixed numbers by letters.
If the letters represent unknowns they are usually called variable.
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