Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 02:09Z
PV = nRT
∫₀^∞ e^(-y²) dy = √π / 2
52K
det| 7 2 ; 2 8 | = 52
∑_{k=1}^{n} k = n(n+1)/2
90K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
100K
\oint_C \vec{F}\cdot d\vec{r} = 0
e^{i\pi} + 1 = 0
8θ² + 8θ + 2 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
218K
∇ × E = −∂B/∂t
F = G m₁m₂ / r²