Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:55Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{3}{2} \sum_{i=1}^{n} i^{2}
46K
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
289K
det| 7 4 ; 4 8 | = 40
278K
e^{i\pi} + 1 = 0
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
339K
∂x/∂r = 4x
det| 2 7 ; 7 3 | = -43
358K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O