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%%
%% This is file `mathfont_equations.tex',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% mathfont_code.dtx  (with options: `equations')
%% 
%% This file is from version 2.0 of the free and open-source
%% LaTeX package "mathfont," to be used with the XeTeX or
%% LuaTeX engines. (As of version 2.0, LuaTeX is recommended.)
%% 
%% Copyright 2018-2021 by Conrad Kosowsky
%% 
%% This file may be distributed and modified under the terms
%% of the LaTeX Public Project License, version 1.3c or any
%% later version. The most recent version of this license is
%% available online at
%% 
%%           https://www.latex-project.org/lppl/.
%% 
%% This Work has the LPPL status "maintained," and the current
%% maintainer is the package author, Conrad Kosowsky. He can
%% be reached at kosowsky.latex@gmail.com.
%% 
%% THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY EXPRESS
%% OR IMPLIED WARRANTY, INCLUDING THE IMPLIED WARRANTIES
%% OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
%% IF THE SOFTWARE IS DEFECTIVE, YOU AGREE TO ASSUME THE
%% COST FOR ANY REPAIR OR CORRECTION.
%% 
%% BY USING OR DISTRIBUTING THIS SOFTWARE, YOU AGREE
%% TO RELEASE THE PACKAGE AUTHOR FROM ANY LIABILITY FOR
%% DAMAGES ARISING OUT OF YOUR USE OF THE SOFTWARE. YOU
%% AGREE TO DO SO TO THE MAXIMUM EXTENT ALLOWED UNDER
%% APPLICABLE LAW AND EVEN IF THE PACKAGE AUTHOR HAS
%% BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
%% 
%% See also the "No Warranty" section of the LaTeX Project
%% Public License. In releasing the package author from
%% liability, you also release from liability any third
%% parties who distribute the software under the terms
%% of the LaTeX Project Public License. Derivative works
%% based on this package may come with their own license or
%% terms of use, and the package author is not responsible
%% for any third-party software.
%% 
%% For more information, see the mathfont_code.dtx.
%% 
%% Happy TeXing!
%% 
\begin{multicols}{2}
\let\medskip\relax

Black-Scholes Equation
\[
\frac{\partial V}{\partial t}+\frac12\sigma^2S^2\frac{\partial^2V}{\partial S^2}=
  rV-rS\frac{\partial V}{\partial X}
\]
\medskip

Cardano's Formula/Cubic Formula
\begin{align*}
t_i&=\omega_i\sqrt[3]{-\frac q2+\sqrt{\frac{q^2}4+\frac{p^3}{27}}}\\
  &\qquad\qquad{}+\omega_i^2\sqrt[3]{-\frac q2-\sqrt{\frac{q^2}4+\frac{p^3}{27}}}
\end{align*}
\medskip

Einstein's Field Equation (General Relativity)
\[
R_{\mu\nu}-\frac12Rg_{\mu\nu}+\Lambda g_{\mu\nu}=\frac{8\pi G}{c^4}T_{\mu\nu}
\]
\medskip

First Isomorphism Theorem
\[
\phi(X)\cong X/\ker(\phi)
\]
\medskip

Gauss-Bonnet Formula
\[
\int_MK\ dA+\int_{\partial M}k_g\ ds=2\pi\chi(M)
\]
\medskip

Maxwell's Equations
\begin{align*}
\nabla\bullet\mathbf E&=\frac\rho{\epsilon_0}&
\nabla\bullet\mathbf B&=0\\
\nabla\times\mathbf E&=-\frac{\partial\mathbf B}{\partial t}&
\nabla\times\mathbf B&=\mu_0\left(\mathbf J+
  \epsilon_0\frac{\partial\mathbf E}{\partial t}\right)
\end{align*}
\medskip

Michaelis-Menten Model
\[
v=\frac{d[P]}{dt}=V\frac{[S]}{K_M+[S]}
\]

%% next column begins here

Navier-Stokes Equation
\begin{align*}
\frac{\partial}{\partial t}(\rho\mathbf{u})+\nabla\bullet
  (\rho \mathbf{u}\otimes \mathbf{u})={}
  &{-}\nabla\bar p+\mu\nabla^2\mathbf{u}\\
  &+\frac13\mu\nabla(\nabla\bullet u)+
  \rho\mathbf{g}
\end{align*}
\medskip

Quadratic Formula
\[
x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}
\]
\medskip

Ramanujan's Approximation for $\Gamma$
\[
\Gamma(1+x)\approx\sqrt\pi\,x^xe^{-x}\,\sqrt[6]{8x^3+4x^2+x+\frac1{30}}
\]
\medskip

Residue Theorem
\[
\frac1{2i\pi}\int_{\gamma}f(z)\ dz=\sum_{k=1}^n\Res_{a_k}(f)
\]
\medskip

Riemann Zeta Function
\begin{align*}
\zeta(z)&=\sum_{i=1}^\infty\frac1{z^i}
  =\frac1{\Gamma(z)}\int_0^\infty\frac{x^{z-1}}{e^x-1}\ dx\\
  &=2^z\pi^{z-1}\sin\left(\frac{\pi z}2\right)\,\Gamma(1-z)\,\zeta(1-z)
\end{align*}
\medskip

Schrodinger Equation
\[
i\hbar\frac d{dt}|\Psi(t)\fakerangle=\hat H|\Psi(t)\fakerangle
\]
\medskip

Lorentz Transformation (Special Relativity)
\[
t'=\left(t-\frac{vx}{c^2}\right)\frac1{\sqrt{1-\frac{v^2}{c^2}}}
\]

\end{multicols}
\endinput
%%
%% End of file `mathfont_equations.tex'.