formulas
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Maclaurin Series for exp(x)
$$e^x = \sum_{n=0}^\infty \frac{x^n}{n!}$$
Momentum (Newtonian)
$$p = mv$$
Quadratic Formula
$$x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$$
Newton's 2nd Law
$$F = ma$$
Euler's Identity/Formula
$$e^{i\pi} = -1$$
Trig functions in terms of e
$$\small{\sin(x) = \frac{e^{ix} - e^{-ix}}{2i}, \cos(x) = \frac{e^{ix} + e^{-ix}}{2}}$$
Ideal Gas Law
$$PV = nRT$$
Ohm's Law
$$V = IR$$