Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:43Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
468K
CaCO₃ → CaO + CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
278K
e^{i\pi} + 1 = 0
∂x/∂r = 4x
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 7 7 ; 4 8 | = 28
399K
∑_{k=1}^{n} k = n(n+1)/2
316K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
11K
det| 9 5 ; 1 10 | = 85
387K