Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 18:29Z
ΔS ≥ 0
∑_{k=1}^{n} k = n(n+1)/2
46K
∫₀^∞ e^(-z²) dz = √π / 2
468K
\oint_C \vec{F}\cdot d\vec{r} = 0
∑_{k=1}^{n} k = n(n+1)/2
278K
d/dθ [θ^4] = 4θ^3
∑_{k=1}^{n} k = n(n+1)/2
339K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
177K
det| 5 5 ; 7 6 | = -5
det| 9 4 ; 1 10 | = 86
121K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
399K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
316K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
11K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
387K