Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 23:08Z
∑_{k=1}^{n} k = n(n+1)/2
det| 5 9 ; 7 6 | = -33
446K
det| 4 1 ; 4 5 | = 16
∫₀^∞ e^(-x²) dx = √π / 2
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
259K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 6 6 ; 5 7 | = 12
224K
\frac{9}{4} \sum_{i=1}^{n} i^{2}
det| 5 2 ; 3 6 | = 24
218K
5β² + 5β + 3 = 0
F = G m₁m₂ / r²