Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-08-19 22:05Z
\frac{3}{3} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-α²) dα = √π / 2
84K
CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
301K
5β² + 8β + 4 = 0
d/dn [n^2] = 2n^1
∑_{k=1}^{n} k = n(n+1)/2
365K
∑_{k=1}^{n} k = n(n+1)/2
det| 2 4 ; 5 3 | = -14
213K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
205K
\lim_{r\to 0} \frac{\sin r}{r} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
457K
\lim_{n\to 0} \frac{\sin n}{n} = 1
170K
det| 8 2 ; 3 9 | = 66
480K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
110K
∑_{k=1}^{n} k = n(n+1)/2
366K
det| 7 1 ; 4 8 | = 52
194K
\oint_C \vec{F}\cdot d\vec{r} = 0
388K