0 $W^{3\beta}_{\delta_1 \rho_1 \sigma_2} = U^{3\beta}_{\delta_1 \rho_1} + \frac{1}{8 \pi 2} \int^{\alpha_2}_{\alpha_2} d \alpha^\prime_2 \left[\frac{ U^{2\beta}_{\delta_1 \rho_1} - \alpha^\prime_2U^{1\beta}_{\rho_1 \sigma_2} }{U^{0\beta}_{\rho_1 \sigma_2}}\right]$
1 $\alpha_i > \beta_i,\ \alpha_{i+1}^j = {\rm sin}(2\pi f_j t_i) e^{-5 t_i/\tau},\ \ldots$
2 $\frac{3}{4},\ \binom{3}{4},\ \stackrel{3}{4},\ \left(\frac{5 - \frac{1}{x}}{4}\right),\ \ldots$
3 $\sqrt{2},\ \sqrt[3]{x},\ \ldots$
4 $\mathrm{Roman}\ , \ \mathit{Italic}\ , \ \mathtt{Typewriter} \ \mathrm{or}\ \mathcal{CALLIGRAPHY}$
5 $\acute a,\ \bar a,\ \breve a,\ \dot a,\ \ddot a, \ \grave a, \ \hat a,\ \tilde a,\ \vec a,\ \widehat{xyz},\ \widetilde{xyz},\ \ldots$
6 $\alpha,\ \beta,\ \chi,\ \delta,\ \lambda,\ \mu,\ \Delta,\ \Gamma,\ \Omega,\ \Phi,\ \Pi,\ \Upsilon,\ \nabla,\ \aleph,\ \beth,\ \daleth,\ \gimel,\ \ldots$
7 $\coprod,\ \int,\ \oint,\ \prod,\ \sum,\ \log,\ \sin,\ \approx,\ \oplus,\ \star,\ \varpropto,\ \infty,\ \partial,\ \Re,\ \leftrightsquigarrow, \ \ldots$
Exception in Tkinter callback
Traceback (most recent call last):
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\tkinter\__init__.py", line 1948, in __call__
    return self.func(*args)
           ^^^^^^^^^^^^^^^^
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\tkinter\__init__.py", line 861, in callit
    func(*args)
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\backends\_backend_tk.py", line 271, in idle_draw
    self.draw()
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\backends\backend_tkagg.py", line 10, in draw
    super().draw()
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\backends\backend_agg.py", line 400, in draw
    self.figure.draw(self.renderer)
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\artist.py", line 95, in draw_wrapper
    result = draw(artist, renderer, *args, **kwargs)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\artist.py", line 72, in draw_wrapper
    return draw(artist, renderer)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\figure.py", line 3140, in draw
    mimage._draw_list_compositing_images(
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\image.py", line 131, in _draw_list_compositing_images
    a.draw(renderer)
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\artist.py", line 72, in draw_wrapper
    return draw(artist, renderer)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\axes\_base.py", line 3064, in draw
    mimage._draw_list_compositing_images(
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\image.py", line 131, in _draw_list_compositing_images
    a.draw(renderer)
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\artist.py", line 72, in draw_wrapper
    return draw(artist, renderer)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\text.py", line 2035, in draw
    Text.draw(self, renderer)
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\artist.py", line 72, in draw_wrapper
    return draw(artist, renderer)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\text.py", line 752, in draw
    bbox, info, descent = self._get_layout(renderer)
                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\text.py", line 386, in _get_layout
    w, h, d = _get_text_metrics_with_cache(
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\text.py", line 97, in _get_text_metrics_with_cache
    return _get_text_metrics_with_cache_impl(
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\text.py", line 105, in _get_text_metrics_with_cache_impl
    return renderer_ref().get_text_width_height_descent(text, fontprop, ismath)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\backends\backend_agg.py", line 230, in get_text_width_height_descent
    self.mathtext_parser.parse(s, self.dpi, prop)
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\mathtext.py", line 226, in parse
    return self._parse_cached(s, dpi, prop)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\mathtext.py", line 247, in _parse_cached
    box = self._parser.parse(s, fontset, fontsize, dpi)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\_____\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\_mathtext.py", line 1995, in parse
    raise ValueError("\n" + ParseException.explain(err, 0)) from None
ValueError:
\frac{3}{4},\ \binom{3}{4},\ \stackrel{3}{4},\ \left(\frac{5 - \frac{1}{x}}{4}\right),\ \ldots

ParseFatalException: Unknown symbol: \stackrel, found '\'  (at char 29), (line:1, col:30)