Text rendering reference
Text(text, font="", font_size=48, **kwargs)
text = Text("Hello, World!", font_size=60, color=BLUE)
MarkupText(text, **kwargs)
Tex(*tex_strings, **kwargs)
formula = Tex(r"E = mc^2")
MathTex(*tex_strings, **kwargs)
equation = MathTex( r"\int_0^\infty e^{-x^2} dx = \frac{\sqrt{\pi}}{2}" )