infinitesimal simplicio
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 Sep26 revised High school math definition of a variable: the first step from the concrete into the abstract… added 80 characters in body Sep19 revised High school math definition of a variable: the first step from the concrete into the abstract… added 103 characters in body Sep18 revised How do you read the symbol “$\in$”? edited title Sep18 revised How do you read the symbol “$\in$”? added 27 characters in body Sep18 revised How do you read the symbol “$\in$”? possible solution Sep18 revised How do you read the symbol “$\in$”? possible solution Jun2 revised In the proportion $\frac{ x}{100} = \frac{a}{total}$ which is the percent: $x$ or $\frac{x}{100}$? added 87 characters in body May30 revised In the proportion $\frac{ x}{100} = \frac{a}{total}$ which is the percent: $x$ or $\frac{x}{100}$? edited title May26 revised Division by $0$ deleted 1 character in body May19 revised what is the definition of Mathematics ? added 424 characters in body May8 revised Division by $0$ added definition May7 revised Division by $0$ deleted 1 character in body Apr27 revised Division by $0$ better formatting Apr27 revised Division by $0$ better formatting Apr4 revised Division by $0$ remove dead link Mar30 revised Percent word problem - calculate store cost use correct tag Mar28 revised Percent word problem - calculate store cost improved formatting Mar27 revised What does “percent of change” mean? how I made sense of this question Mar8 revised What does “percent of change” mean? added 84 characters in body Mar7 revised What does “percent of change” mean? added 140 characters in body