Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:22Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
46K
det| 5 6 ; 2 6 | = 18
468K
CaCO₃ → CaO + CO₂
det| 5 3 ; 7 6 | = 9
278K
e^{i\pi} + 1 = 0
det| 3 6 ; 0 4 | = 12
339K
det| 7 4 ; 4 8 | = 40
177K
∂x/∂r = 4x
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\lim_{t\to 0} \frac{\sin t}{t} = 1
399K
det| 12 4 ; 4 13 | = 140
det| 12 9 ; 5 13 | = 111
11K