MathML Samples

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The Quadratic Formula
x=b±b24ac2a
Cauchy's Integral Formula
f ( a ) = 1 2 π i γ f ( z ) z a d z
Double angle formula for Cosines
cos(θ+φ)=cos(θ)cos(φ)sin(θ)sin(φ)
Gauss' Divergence Theorem
D(∇⋅F)dV=DFndS
Curl of a Vector Field
×F=(FzyFyz)i+(FxzFzx)j+(FyxFxy)k
Standard Deviation
σ=1Ni=1N(xiμ)2.
Definition of Christoffel Symbols
(XY)k=Xi(iY)k=Xi(Ykxi+ΓimkYm)