Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 03:03Z
\frac{1}{1} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-r²) dr = √π / 2
46K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 9 6 ; 7 10 | = 48
289K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
\frac{6}{9} \sum_{i=1}^{n} i^{2}
det| 12 2 ; 2 13 | = 152
177K
PV = nRT
∑_{k=1}^{n} k = n(n+1)/2
358K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
121K
N₂ + 3H₂ ⇌ 2NH₃
\frac{8}{7} \sum_{i=1}^{n} i^{2}
316K
det| 11 9 ; 6 12 | = 78
det| 9 4 ; 1 10 | = 86
11K
det| 4 7 ; 2 5 | = 6
387K
∇²n = 0