Al-Khwarizmi — "The method of calculation must be clear and simple."
The method of calculation must be clear and simple.
The method of calculation must be clear and simple.
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"What is easiest and most useful in arithmetic, such as men frequently require in cases of inheritance, legacies, partition, lawsuits, and trade."
"The root is the side of the square."
"The Hindus have a method of calculation which they call 'the nine figures'."
"The science of algebra is a noble one, necessary for men."
"The square of the unknown is equal to the number."
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