Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:10Z
4y² + 8y + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
468K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
339K
det| 6 8 ; 0 7 | = 42
177K
iħ ∂ψ/∂t = Ĥψ
det| 7 8 ; 6 8 | = 8
358K
CaCO₃ → CaO + CO₂
det| 6 7 ; 2 7 | = 28
316K
det| 9 8 ; 1 10 | = 82
∂ω/∂t = 2ω
\binom{n}{k} = \frac{n!}{k!(n-k)!}
97K
det| 10 4 ; 2 11 | = 102
338K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
346K
∑_{k=1}^{n} k = n(n+1)/2
348K
det| 7 7 ; 2 8 | = 42
396K