Get the step by step mode on W|A app?

Questions
,
1

I bought the app on the tunes and unfortunately the step by step mode does not work properly, I am not shown the complete procedure but only a part. HELP

2

It would be best for you to show precisely what you tried to do. Your post is too vague. Provide details.

3

for example, in the resolution of derivatives or integrals, when I click “step by step solution” the page does not scroll but only the first steps are shown and when I try to scroll the page she does not scroll.

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