Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:50Z
∑_{k=1}^{n} k = n(n+1)/2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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\frac{6}{1} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
289K
∂x/∂θ = 8x
det| 3 6 ; 0 4 | = 12
339K
det| 7 4 ; 4 8 | = 40
177K
3φ² + 4φ + 2 = 0
5ω² + 6ω + 0 = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
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∫₀^∞ e^(-θ²) dθ = √π / 2
∇²θ = 0
e^{i\pi} + 1 = 0
3t² + 3t + 7 = 0