Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 22:56Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
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det| 11 9 ; 4 12 | = 96
det| 7 4 ; 4 8 | = 40
163K
∇ × E = −∂B/∂t
∫₀^∞ e^(-θ²) dθ = √π / 2
293K
∑_{k=1}^{n} k = n(n+1)/2
110K