Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 23:33Z
∑_{k=1}^{n} k = n(n+1)/2
det| 5 6 ; 2 6 | = 18
446K
det| 4 1 ; 4 5 | = 16
∫₀^∞ e^(-x²) dx = √π / 2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
86K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 4 ; 1 10 | = 86
234K
\frac{9}{4} \sum_{i=1}^{n} i^{2}
5β² + 5β + 3 = 0
F = G m₁m₂ / r²
∫₀^∞ e^(-α²) dα = √π / 2