Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:29Z
∑_{k=1}^{n} k = n(n+1)/2
3x² + 3x + 6 = 0
\frac{4}{6} \sum_{i=1}^{n} i^{2}
144K
∇²t = 0
det| 12 1 ; 5 13 | = 151
259K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
86K
7z² + 2z + 0 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
234K
det| 4 2 ; 5 5 | = 10
det| 11 5 ; 0 12 | = 132
218K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
354K
2H₂ + O₂ → 2H₂O
iħ ∂ψ/∂t = Ĥψ
\lim_{x\to 0} \frac{\sin x}{x} = 1