Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:07Z
4y² + 8y + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
46K
det| 8 8 ; 2 9 | = 56
468K
2H₂ + O₂ → 2H₂O
det| 1 1 ; 5 2 | = -3
289K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
177K
iħ ∂ψ/∂t = Ĥψ
∫₀^∞ e^(-θ²) dθ = √π / 2
358K
∑_{k=1}^{n} k = n(n+1)/2
387K
\frac{6}{3} \sum_{i=1}^{n} i^{2}
144K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
97K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
338K
det| 10 9 ; 7 11 | = 47
276K