Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-08-25 21:18Z
det| 5 4 ; 6 6 | = 6
\binom{n}{k} = \frac{n!}{k!(n-k)!}
10K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
172K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
12K
det| 8 4 ; 1 9 | = 68
∑_{k=1}^{n} k = n(n+1)/2
\frac{4}{9} \sum_{i=1}^{n} i^{2}
96K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
414K
CH₄ + 2O₂ → CO₂ + 2H₂O
CH₄ + 2O₂ → CO₂ + 2H₂O
351K
3ψ² + 5ψ + 7 = 0
det| 4 9 ; 3 5 | = -7
320K
\oint_C \vec{F}\cdot d\vec{r} = 0
226K
N₂ + 3H₂ ⇌ 2NH₃