Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:33Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
57K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²α = 0
det| 10 5 ; 4 11 | = 90
250K
ω = 2πf
∫₀^∞ e^(-x²) dx = √π / 2
256K
PV = nRT
N₂ + 3H₂ ⇌ 2NH₃
\oint_C \vec{F}\cdot d\vec{r} = 0