Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 20:19Z
∑_{k=1}^{n} k = n(n+1)/2
det| 2 7 ; 7 3 | = -43
36K
∫₀^∞ e^(-x²) dx = √π / 2
269K
12ω² + 6ω + 7 = 0
∑_{k=1}^{n} k = n(n+1)/2
131K
d/dn [n^4] = 4n^3
Fe₂O₃ + 3CO → 2Fe + 3CO₂
376K
det| 9 1 ; 1 10 | = 89
det| 10 5 ; 4 11 | = 90
91K