Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:51Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 3 6 ; 0 4 | = 12
46K
CaCO₃ → CaO + CO₂
det| 4 2 ; 6 5 | = 8
289K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
e^{i\pi} + 1 = 0
det| 7 2 ; 7 8 | = 42
339K
∂x/∂r = 4x
\binom{n}{k} = \frac{n!}{k!(n-k)!}
358K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 12 4 ; 4 13 | = 140
det| 7 4 ; 4 8 | = 40
11K
det| 2 3 ; 5 3 | = -9
387K
∑_{k=1}^{n} k = n(n+1)/2