Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:32Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 11 5 ; 0 12 | = 132
46K
CaCO₃ → CaO + CO₂
e^{i\pi} + 1 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
339K
det| 8 9 ; 4 9 | = 36
177K
∂x/∂r = 4x
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\lim_{x\to 0} \frac{\sin x}{x} = 1
399K
det| 9 4 ; 1 10 | = 86
316K
∑_{k=1}^{n} k = n(n+1)/2
387K