Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:26Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CaCO₃ → CaO + CO₂
e^{i\pi} + 1 = 0
∂x/∂r = 4x
det| 9 4 ; 1 10 | = 86
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 7 2 ; 7 8 | = 42
399K
det| 3 6 ; 0 4 | = 12
316K
det| 12 4 ; 4 13 | = 140
det| 10 2 ; 3 11 | = 104
11K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
387K
∑_{k=1}^{n} k = n(n+1)/2