Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:18Z
d/dn [n^4] = 4n^3
CH₄ + 2O₂ → CO₂ + 2H₂O
385K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
\frac{3}{2} \sum_{i=1}^{n} i^{2}
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
259K
iħ ∂ψ/∂t = Ĥψ
det| 9 8 ; 3 10 | = 66
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\frac{2}{4} \sum_{i=1}^{n} i^{2}
\lim_{x\to 0} \frac{\sin x}{x} = 1
293K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
110K
det| 5 7 ; 5 6 | = -5
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 7 4 ; 4 8 | = 40
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∑_{k=1}^{n} k = n(n+1)/2
368K
2r² + 6r + 7 = 0