Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:10Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
46K
CaCO₃ → CaO + CO₂
e^{i\pi} + 1 = 0
\frac{4}{9} \sum_{i=1}^{n} i^{2}
177K
∂x/∂r = 4x
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
358K
det| 11 9 ; 0 12 | = 132
121K
\frac{3}{2} \sum_{i=1}^{n} i^{2}
399K
det| 9 4 ; 1 10 | = 86
316K