Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:05Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
46K
det| 9 4 ; 1 10 | = 86
468K
CaCO₃ → CaO + CO₂
det| 7 7 ; 4 8 | = 28
289K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
278K
e^{i\pi} + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
339K
det| 7 6 ; 1 8 | = 50
177K
∂x/∂r = 4x
\lim_{t\to 0} \frac{\sin t}{t} = 1
358K
\lim_{r\to 0} \frac{\sin r}{r} = 1
121K