Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 01:01Z
iħ ∂ψ/∂t = Ĥψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
446K
10t² + 5t + 5 = 0
\frac{4}{6} \sum_{i=1}^{n} i^{2}
144K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
371K
∇ × E = −∂B/∂t
∑_{k=1}^{n} k = n(n+1)/2
259K
det| 7 4 ; 4 8 | = 40
86K
det| 8 7 ; 1 9 | = 65
\frac{3}{2} \sum_{i=1}^{n} i^{2}
234K
\frac{12}{9} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
218K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
354K
ω = 2πf