A comparison of the Dow Jones Industrial Average during the financial crashes of 1929, 1987, and 2008.


Looking at the 3 months before & after each of the three crashes:




An 18 month time frame:


...

In news about the upcoming USA presidential election, we keep hearing reports about key battleground states. Also known as swing states, these are the states whose outcome could go either way.

But which are these battleground states? Any single news report will mention one or two of them, but I was looking for a comprehensive list. For one thing, following the results on election night will be easier: just pay attention to battleground state results.

After googling...

Useful and informative links within PF

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History of Physics Forums - library entry

Members list, top 100 by number of posts

BB code tags

Math symbols - for easy copy-and-paste

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Latex files and threads

PF LaTex info - pdf file

Introducing LaTeX Math Typesetting

Multiple lines in a single Latex block

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Symbols viewable to everybody:


α β γ δ ε ζ η θ ι κ λ μ ν ξ ο π ρ ς σ τ υ φ χ ψ ω . . . . . Γ Δ Θ Λ Ξ Π Σ Φ Ψ Ω

∂ ∫ ∏ ∑ . . . . . ← → ↓ ↑ ↔ . . . . . ± − · × ÷ √ . . . . . ¼ ½ ¾ ⅛ ⅜ ⅝ ⅞

∞ ° ² ³ ⁿ Å . . . . . ~ ≈ ≠ ≡ ≤ ≥ « » . . . . . † ‼


Bold, Times New Roman font (some symbols look better that way):

α . ← . [FONT="Times New Roman"][b]α[/b][/FONT]
γ . ← . [FONT="Times...

Check out my useful, PF-friendly symbols.


From http://www.barzilai.org/math_sym.htm; thanks to tiny-tim for the link:

α β γ δ ε ζ η θ ι κ λ μ ν ξ ο π ρ ς σ τ υ φ χ ψ ω ϑ ϒ ϖ . . . . . Γ Δ Θ Λ Ξ Π Σ Φ Ψ Ω

• … ′ ″ ‾ ⁄ ℘ ℑ ℜ ™ ℵ . . . . . ← → ↓ ↑ ↔ ↵ ⇐ ⇑ ⇒ ⇓ ⇔ . . . . .∀ ∂ ∃ ∅ ∇ ∈ ∉ ∋ ∏ ∑

− ∗ √ ∝ ∞ ∠ ∧ ∨ ∩ ∪ ∫ ∴ . . . . . ∼ ≅ ≈ ≠ ≡ ≤ ≥ . . . . . ⊂ ⊃ ⊄ ⊆ ⊇ ⊕ ⊗ ⊥ ⋅

⌈ ⌉ ⌊ ⌋ 〈 〉 . . . . . ◊ ♠ ♣ ♥ ♦ . . . . . ± ½ ⋅...