Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:25Z
d/dn [n^4] = 4n^3
Fe₂O₃ + 3CO → 2Fe + 3CO₂
384K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
385K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
∫₀^∞ e^(-ω²) dω = √π / 2
163K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
259K
iħ ∂ψ/∂t = Ĥψ
∑_{k=1}^{n} k = n(n+1)/2
305K
det| 7 4 ; 4 8 | = 40
57K
\frac{2}{4} \sum_{i=1}^{n} i^{2}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
293K
\frac{4}{6} \sum_{i=1}^{n} i^{2}
110K
det| 5 7 ; 5 6 | = -5
\binom{n}{k} = \frac{n!}{k!(n-k)!}
300K