Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 21:35Z
N₂ + 3H₂ ⇌ 2NH₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
385K
9γ² + 6γ + 1 = 0
\frac{4}{6} \sum_{i=1}^{n} i^{2}
163K
det| 2 6 ; 0 3 | = 6
259K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 7 4 ; 4 8 | = 40
57K
2y² + 8y + 6 = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
293K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
110K
\lim_{x\to 0} \frac{\sin x}{x} = 1
∑_{k=1}^{n} k = n(n+1)/2
300K
∫₀^∞ e^(-r²) dr = √π / 2