Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:57Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-θ²) dθ = √π / 2
446K
3x² + 3x + 6 = 0
det| 7 9 ; 1 8 | = 47
371K
∇²t = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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∑_{k=1}^{n} k = n(n+1)/2
86K
7z² + 2z + 0 = 0
∫₀^∞ e^(-x²) dx = √π / 2
218K