Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:10Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
46K
CaCO₃ → CaO + CO₂
det| 7 8 ; 4 8 | = 24
289K
det| 4 8 ; 3 5 | = -4
278K
e^{i\pi} + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
339K
\frac{4}{6} \sum_{i=1}^{n} i^{2}
177K
∂x/∂r = 4x
det| 7 4 ; 4 8 | = 40
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
399K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
11K