Σ index
Σ#24
Rxn set 20
Matrix 11
Σ#12
Eq pack 1
Rxn set 8
Batch 22
Batch 16
Matrix 5
Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 17:37Z
∑_{k=1}^{n} k = n(n+1)/2
ops_0480.eqn
\binom{n}{k} = \frac{n!}{k!(n-k)!}
75K
ops_1628.mol
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
479K
8β² + 2β + 0 = 0
ops_8252.eqn
∫₀^∞ e^(-x²) dx = √π / 2
276K
eq_9408.tex
e^{i\pi} + 1 = 0
129K
∑_{k=1}^{n} k = n(n+1)/2
mat_6103.dat
N₂ + 3H₂ ⇌ 2NH₃
191K
eq_4588.dat
8ψ² + 7ψ + 0 = 0
390K
\lim_{r\to 0} \frac{\sin r}{r} = 1
rxn_2919.json
6t² + 6t + 4 = 0
1K
eq_7609.eqn
∇²r = 0
153K
det| 12 1 ; 1 13 | = 155
ops_3351.mol
iħ ∂ψ/∂t = Ĥψ
473K
eq_9346.json
ΔS ≥ 0
338K
N₂ + 3H₂ ⇌ 2NH₃
∫₀^∞ e^(-θ²) dθ = √π / 2
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