Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:12Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CaCO₃ → CaO + CO₂
det| 2 3 ; 5 3 | = -9
289K
e^{i\pi} + 1 = 0
det| 5 9 ; 7 6 | = -33
339K
∂x/∂r = 4x
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
399K
∑_{k=1}^{n} k = n(n+1)/2
316K