Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:48Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 9 ; 1 8 | = 47
468K
CaCO₃ → CaO + CO₂
\lim_{r\to 0} \frac{\sin r}{r} = 1
278K
e^{i\pi} + 1 = 0
\lim_{x\to 0} \frac{\sin x}{x} = 1
177K
∂x/∂r = 4x
det| 11 4 ; 5 12 | = 112
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 9 4 ; 1 10 | = 86
399K
∑_{k=1}^{n} k = n(n+1)/2
316K