Approximate Sign
348
How to look up a symbol or identify a letter from a math alphabet or other character?
74692
Simple Power Series Expansion for Problems similar to $f = (1 + \epsilon \,x)^{1/\epsilon}$
744
Extendible equals sign
126040
Geometric explanation of $\sqrt 2 + \sqrt 3 \approx \pi$
36239
Indicator Function
131251
Picking a $\delta$ for a convenient $\varepsilon$?
74868
e-notation scientific notation
101329
Avoiding numerical cancellation question for $\sin x -\sin y$ for $x \approx y$
27260
Infinite product with sign changes.
87931
Sign convention for mirror and lens formulas
22251
Coefficients change signs
154600
The extent of closeness
157534
Potential energy sign conventions
48728
Number equations and preserving alignment of equal signs
57850
Bounding an Error on the inverse.
42492
How to Obtain a Bold Upright Integral Sign?
137235
Almost Vs. Hardly