Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 05:59Z
\frac{11}{2} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
158K
4ψ² + 5ψ + 5 = 0
det| 7 4 ; 4 8 | = 40
240K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\frac{2}{2} \sum_{i=1}^{n} i^{2}
344K
ω = 2πf
\lim_{t\to 0} \frac{\sin t}{t} = 1
201K
det| 5 8 ; 7 6 | = -26
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1