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Tactics is knowing what to do when there is something to do. Strategy is knowing what to do when there is nothing to do.


Apr
7
accepted Is limits $\lim_{x\to\infty}{(x-2)^2\over2x+1}=\dfrac{1}{2}$?
Apr
4
accepted Solve this simple polynomial
Mar
3
accepted Is a function still a function if it doesn't have any rule?
Feb
24
accepted Simple function question
Nov
19
accepted Math behind Keynesian Expenditure Multiplier
Aug
1
accepted Proving Quadratic Formula