Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:43Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-ψ²) dψ = √π / 2
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∫₀^∞ e^(-x²) dx = √π / 2
468K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
278K
∂x/∂θ = 8x
det| 4 8 ; 3 5 | = -4
399K