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Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-20 00:19Z

∑_{k=1}^{n} k = n(n+1)/2

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

168K

\frac{12}{6} \sum_{i=1}^{n} i^{2}

446K

3x² + 3x + 6 = 0

\lim_{β\to 0} \frac{\sin β}{β} = 1

144K

12y² + 5y + 7 = 0

371K

∇²t = 0

det| 7 4 ; 4 8 | = 40

259K

d/dx [x^3] = 3x^2

86K

F = G m₁m₂ / r²

224K

∑_{k=1}^{n} k = n(n+1)/2

234K

∂α/∂ω = 3α

218K

∇ × E = −∂B/∂t

354K

\frac{8}{7} \sum_{i=1}^{n} i^{2}

70K