Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 03:00Z
\frac{1}{1} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
46K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
289K
\frac{6}{9} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
339K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
177K
PV = nRT
det| 9 6 ; 7 10 | = 48
121K
N₂ + 3H₂ ⇌ 2NH₃
∑_{k=1}^{n} k = n(n+1)/2
399K
det| 11 9 ; 6 12 | = 78
∑_{k=1}^{n} k = n(n+1)/2
11K
\lim_{t\to 0} \frac{\sin t}{t} = 1
387K