Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 00:06Z
∇ × E = −∂B/∂t
∫₀^∞ e^(-r²) dr = √π / 2
36K
det| 11 2 ; 1 12 | = 130
\frac{9}{6} \sum_{i=1}^{n} i^{2}
131K
\oint_C \vec{F}\cdot d\vec{r} = 0
158K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
240K
det| 1 7 ; 2 2 | = -12
139K
\frac{5}{4} \sum_{i=1}^{n} i^{2}
344K
\lim_{x\to 0} \frac{\sin x}{x} = 1
201K
\lim_{y\to 0} \frac{\sin y}{y} = 1
399K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
347K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
443K
\lim_{t\to 0} \frac{\sin t}{t} = 1
333K