Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:19Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
46K
CaCO₃ → CaO + CO₂
\frac{4}{9} \sum_{i=1}^{n} i^{2}
289K
e^{i\pi} + 1 = 0
det| 5 6 ; 2 6 | = 18
177K
∂x/∂r = 4x
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
316K
det| 12 4 ; 4 13 | = 140
\frac{2}{2} \sum_{i=1}^{n} i^{2}
11K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
387K