Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 21:12Z
N₂ + 3H₂ ⇌ 2NH₃
∑_{k=1}^{n} k = n(n+1)/2
385K
9γ² + 6γ + 1 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
163K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
2y² + 8y + 6 = 0
det| 7 4 ; 4 8 | = 40
293K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
110K
\lim_{x\to 0} \frac{\sin x}{x} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
300K
∑_{k=1}^{n} k = n(n+1)/2
34K
∫₀^∞ e^(-r²) dr = √π / 2
N₂ + 3H₂ ⇌ 2NH₃
det| 5 1 ; 2 6 | = 28
det| 11 6 ; 5 12 | = 102