Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:23Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CaCO₃ → CaO + CO₂
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
289K
e^{i\pi} + 1 = 0
det| 7 4 ; 4 8 | = 40
339K
det| 9 6 ; 7 10 | = 48
177K
∂x/∂r = 4x
∑_{k=1}^{n} k = n(n+1)/2
399K