Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 21:56Z
N₂ + 3H₂ ⇌ 2NH₃
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
384K
9γ² + 6γ + 1 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
57K
2y² + 8y + 6 = 0
∑_{k=1}^{n} k = n(n+1)/2
293K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
110K
\lim_{x\to 0} \frac{\sin x}{x} = 1
det| 9 4 ; 1 10 | = 86
34K
∫₀^∞ e^(-r²) dr = √π / 2