Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:35Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{x\to 0} \frac{\sin x}{x} = 1
468K
CaCO₃ → CaO + CO₂
e^{i\pi} + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
339K
∑_{k=1}^{n} k = n(n+1)/2
177K
∂x/∂r = 4x
det| 9 4 ; 1 10 | = 86
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∫₀^∞ e^(-n²) dn = √π / 2
399K
\lim_{β\to 0} \frac{\sin β}{β} = 1
316K
det| 12 4 ; 4 13 | = 140
det| 9 8 ; 3 10 | = 66
11K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
387K
∑_{k=1}^{n} k = n(n+1)/2