Comparing Dash and Streamlit

powers_in_dash.py

import dash
import dash_core_components as dcc
import dash_html_components as html
from dash.dependencies import Input, Output

external_stylesheets = ['https://codepen.io/chriddyp/pen/bWLwgP.css']

app = dash.Dash(__name__, external_stylesheets=external_stylesheets)

app.layout = html.Div([
    dcc.Input(
        id='num',
        type='number',
        value=5
    ),
    html.Table([
        html.Tr([html.Td(['x', html.Sup(2)]), html.Td(id='square')]),
        html.Tr([html.Td(['x', html.Sup(3)]), html.Td(id='cube')]),
        html.Tr([html.Td([2, html.Sup('x')]), html.Td(id='twos')]),
        html.Tr([html.Td([3, html.Sup('x')]), html.Td(id='threes')]),
        html.Tr([html.Td(['x', html.Sup('x')]), html.Td(id='x^x')]),
    ]),
])


@app.callback(
    [Output('square', 'children'),
     Output('cube', 'children'),
     Output('twos', 'children'),
     Output('threes', 'children'),
     Output('x^x', 'children')],
    [Input('num', 'value')])
def callback_a(x):
    return x**2, x**3, 2**x, 3**x, x**x


if __name__ == '__main__':
    app.run_server(debug=True)

powers_in_streamlit.py

import streamlit as st

x = st.slider('Pick x', 1, 100, 5)
f"""
| Formula | Result |
|---------|--------|
|  $x^2$  | {x**2} |
|  $x^3$  | {x**3} |
|  $2^x$  | {2**x} |
|  $3^x$  | {3**x} |
|  $x^x$  | {x**x} |
"""

I'd imagine that's borrowed from react's dangerouslySetInnerHTML: https://reactjs.org/docs/dom-elements.html#dangerouslysetinnerhtml , for the same reasons.