How to show math expression in app?

[dora_paz (Dora)]

You can try to create the equation using mathjax
See

Mathjax expression

I am working with math expressions and I am doing fine with puravidapps https://puravidaapps.com/snippets.php#2webviewstring, my problem that is so simple is that the plus sing doesn´t show. I am doing this [image] and I am getting this [image] Need help please. Think there is a simple solution to this. Thanks,

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App Inventor Extensions: Math Parser | Pura Vida Apps