Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:25Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
46K
CaCO₃ → CaO + CO₂
det| 1 4 ; 3 2 | = -10
289K
e^{i\pi} + 1 = 0
∫₀^∞ e^(-n²) dn = √π / 2
339K
det| 11 9 ; 0 12 | = 132
177K
∂x/∂r = 4x
det| 7 4 ; 4 8 | = 40
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
399K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
316K
det| 12 4 ; 4 13 | = 140
det| 4 7 ; 2 5 | = 6
387K