Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:28Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-x²) dx = √π / 2
468K
CaCO₃ → CaO + CO₂
det| 12 9 ; 5 13 | = 111
289K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
278K
e^{i\pi} + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
339K
∂x/∂r = 4x
det| 7 4 ; 4 8 | = 40
358K
det| 8 9 ; 4 9 | = 36
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 6 6 ; 5 7 | = 12
399K
∑_{k=1}^{n} k = n(n+1)/2
316K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
11K
det| 5 6 ; 2 6 | = 18
387K