Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:13Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 10 7 ; 3 11 | = 89
46K
det| 3 6 ; 0 4 | = 12
468K
CaCO₃ → CaO + CO₂
∫₀^∞ e^(-r²) dr = √π / 2
289K
CH₄ + 2O₂ → CO₂ + 2H₂O
278K
e^{i\pi} + 1 = 0
det| 12 9 ; 5 13 | = 111
177K
∂x/∂r = 4x
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
399K
det| 7 4 ; 4 8 | = 40
387K