Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:21Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
46K
CaCO₃ → CaO + CO₂
det| 9 6 ; 0 10 | = 90
278K
e^{i\pi} + 1 = 0
∂x/∂r = 4x
det| 6 6 ; 5 7 | = 12
358K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∫₀^∞ e^(-ψ²) dψ = √π / 2
316K
\lim_{β\to 0} \frac{\sin β}{β} = 1
387K