Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:22Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CaCO₃ → CaO + CO₂
det| 5 6 ; 2 6 | = 18
289K
∑_{k=1}^{n} k = n(n+1)/2
278K
e^{i\pi} + 1 = 0
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
339K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
177K
∂x/∂r = 4x
Fe₂O₃ + 3CO → 2Fe + 3CO₂
358K
det| 4 7 ; 2 5 | = 6
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 9 4 ; 1 10 | = 86
399K
∑_{k=1}^{n} k = n(n+1)/2
11K