Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:37Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
46K
\lim_{β\to 0} \frac{\sin β}{β} = 1
468K
CaCO₃ → CaO + CO₂
det| 7 8 ; 4 8 | = 24
289K
\lim_{r\to 0} \frac{\sin r}{r} = 1
278K
e^{i\pi} + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
177K
∂x/∂r = 4x
det| 7 4 ; 4 8 | = 40
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 10 7 ; 3 11 | = 89
316K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
11K