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\begin{document}

\noindent A. {\it Einstein mass/energy:} 

$$E = mc^2$$
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\noindent B. {\it Maxwell's Eqations in Vacuum:}
$$\begin{array}{l}
\nabla \cdot {\bf B}  = 0 \\
\nabla \times {\bf B}  = \frac{\ds 1}{\ds c}\frac {\ds \partial {\bf E}}
{\ds \partial t}\\
\end{array}~~~~~
\begin{array}{l}
\nabla \cdot {\bf E}  = 0 \\
\nabla \times {\bf E}  = -\frac{\ds 1}{\ds c}\frac{\ds \partial {\bf B}}
{\ds \partial t}\\
\end{array}$$
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\noindent C. {\it Stokes' Theorem}
$$\int_{M}d\omega=\int_{\partial M}\omega$$
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\noindent D. {\it The boundary of a boundary is zero}


$$\partial\partial = 0$$
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\noindent E. {\it Heisenberg Uncertainty Principle:}
$$\Delta x \Delta p \geq  \hbar/2$$
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\noindent F. {\it Primes and the zeta function:} 
$$ \prod_p \frac{1}{1-\frac{1}{p^s}} = 
\sum_{n=1}^{\infty}\frac{1}{n^s}$$
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\noindent G. {\it Kepler's Second Law} 

$$\frac{d\theta}{dt} \propto \frac{1}{r^2}$$
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\noindent H. {\it Newton's mass-acceleration law:}
$${\bf F} = m\, {\bf a}$$
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\noindent I. {\it Kepler's Third Law} 

$$ T \propto a^{\frac{3}{2}}$$
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\noindent J. {\it Newton's Law of Gravitation:}
$$ F = \frac{\ds G m_1m_2}{\ds r^2}$$
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\noindent K. {\it Einstein's General Relativity Equation: }
$$R_{\mu\nu}-\frac{1}{2}R g_{\mu\nu}  = 8 \pi G T_{\mu\nu}$$
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\noindent  L. {\it Schr\"{o}dinger's Equation, Dirac Equation}
$$ i\hbar \frac{\ds \partial\psi}{\ds \partial t} = 
-\frac{\ds \hbar^2}{\ds 2m} \nabla^2\psi + V\psi$$
$$
\left(i\DDirac - m\right)  \psi=0
$$
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\noindent M. {\it Atiyah-Singer Theorem for Twisted Dirac Operator:} 


$$\dim \ker \slash \! \! \! \! {D}_E - \dim \mbox{coker}~  
\slash \! \! \! \! {D}_E = \int_M \hat{A}(M) \cdot ch (E)$$
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\noindent N. {\it Yang-Mills equations:}
$$F = dA + A \wedge A$$

$$D_A^*F = 0$$
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\noindent O. {\it }

$$\{\overline{\mbox{Q}},\mbox{Q}\} = \slash \! \! \! \! {P}$$


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\end{document}

