Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:22Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
46K
CaCO₃ → CaO + CO₂
det| 2 7 ; 7 3 | = -43
278K
e^{i\pi} + 1 = 0
det| 8 9 ; 4 9 | = 36
339K
∂x/∂r = 4x
det| 2 6 ; 0 3 | = 6
358K
det| 7 4 ; 4 8 | = 40
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
399K
∫₀^∞ e^(-t²) dt = √π / 2
316K
det| 12 4 ; 4 13 | = 140
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
387K