Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:24Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
46K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
468K
CaCO₃ → CaO + CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
289K
det| 9 6 ; 7 10 | = 48
278K
e^{i\pi} + 1 = 0
∂x/∂r = 4x
\lim_{β\to 0} \frac{\sin β}{β} = 1
358K
∫₀^∞ e^(-ψ²) dψ = √π / 2
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 7 4 ; 4 8 | = 40
399K
det| 12 4 ; 4 13 | = 140
\frac{4}{5} \sum_{i=1}^{n} i^{2}