Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:03Z
4y² + 8y + 1 = 0
\frac{6}{3} \sum_{i=1}^{n} i^{2}
46K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
468K
2H₂ + O₂ → 2H₂O
AgNO₃ + NaCl → AgCl↓ + NaNO₃
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
177K
iħ ∂ψ/∂t = Ĥψ
det| 5 5 ; 3 6 | = 15
121K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
399K
det| 12 9 ; 4 13 | = 120
316K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
387K
det| 11 2 ; 2 12 | = 128
67K
det| 12 7 ; 7 13 | = 107
97K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
338K