Castle in the loch

Dave’s not here

I’ve been there though

Dave at Home     Photographs     Black and White     Philately     Family recipes     Glaucoma     Contact Dave     About Dave     Site Map      
Beautiful Math

Using MathJax. Rendering will be enhanced if high-quality math fonts (e.g., STIX) are available in your browser.


The Quadratic Formula
x=b±b24ac2a
Cauchy's Integral Formula
f(a)=γf(z)zadz
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)