Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-02 13:26Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 11 9 ; 4 12 | = 96
279K
det| 3 9 ; 2 4 | = -6
∂y/∂α = 3y
∑_{k=1}^{n} k = n(n+1)/2
22K
∑_{k=1}^{n} k = n(n+1)/2
418K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 12 8 ; 5 13 | = 116
247K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
437K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
467K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
192K
∫₀^∞ e^(-r²) dr = √π / 2
342K
det| 12 4 ; 3 13 | = 144
197K