Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:11Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
46K
det| 11 9 ; 0 12 | = 132
468K
CaCO₃ → CaO + CO₂
CH₄ + 2O₂ → CO₂ + 2H₂O
289K
det| 5 3 ; 7 6 | = 9
278K
e^{i\pi} + 1 = 0
det| 7 4 ; 4 8 | = 40
339K
CH₄ + 2O₂ → CO₂ + 2H₂O
177K
∂x/∂r = 4x
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 12 4 ; 4 13 | = 140