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In math, the purpose of Cramer's rule is to be able to find the solution of a system of linear equations by using determinants and matrices. Cramer's rule makes it easy to find a system of equations that have many unknown variables.
physical laws involving fuel and weight.
Well.. the purpose of the slide rule is that, to count, add, subtract, multiply, and divide. For as its structure is like a ruler and has a transparent slider. It is the type of a cursor, used for pointing out the numerals/ numbers. It is the third calculator invented, after Napier's bones. It was invented by Napier, as well.
The BODMAS rule was not discovered: it was invented as a convention. The purpose in setting out the convention was so that calculations were carried out in the same way by different people and at different times.
The BODMAS rule was not discovered: it was invented as a convention. The purpose in setting out the convention was so that calculations were carried out in the same way by different people and at different times.