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Field Notes / Σ /sym/3cad98

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

∑_{k=1}^{n} k = n(n+1)/2

\lim_{r\to 0} \frac{\sin r}{r} = 1

168K

det| 5 9 ; 7 6 | = -33

446K

3x² + 3x + 6 = 0

∇ × E = −∂B/∂t

144K

8ψ² + 7ψ + 0 = 0

371K

∇²t = 0

\lim_{t\to 0} \frac{\sin t}{t} = 1

259K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

86K

7z² + 2z + 0 = 0

∑_{k=1}^{n} k = n(n+1)/2

224K

CaCO₃ → CaO + CO₂

234K

10t² + 9t + 5 = 0

218K

d/dt [t^3] = 3t^2

354K