Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:14Z
4y² + 8y + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
468K
2H₂ + O₂ → 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
289K
det| 3 6 ; 1 4 | = 6
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 2 7 ; 2 3 | = -8
339K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
177K
iħ ∂ψ/∂t = Ĥψ
d/dn [n^12] = 12n^11
358K
\frac{10}{8} \sum_{i=1}^{n} i^{2}
121K
CaCO₃ → CaO + CO₂
∫₀^∞ e^(-α²) dα = √π / 2
399K
det| 4 1 ; 2 5 | = 18
316K
det| 5 8 ; 4 6 | = -2
387K
∑_{k=1}^{n} k = n(n+1)/2
67K