Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 17:09Z
\lim_{z\to 0} \frac{\sin z}{z} = 1
∑_{k=1}^{n} k = n(n+1)/2
445K
∇ × E = −∂B/∂t
det| 8 2 ; 2 9 | = 68
∑_{k=1}^{n} k = n(n+1)/2
42K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
41K
∑_{k=1}^{n} k = n(n+1)/2
369K