hi, I met the same issue as you are.

here is my solution:

1. use the online latexlive(free... you can also use mathpix but paid) to transfer the screenshot to latex.

2. use the flow mentioned here:

https://tex.stackexchange.com/questions/254492/from-latex-to-maple

SnuggleTeX's Math Input Demo Site

Entered 1+e^{i \pi} into their math mode input field, and hit go. Got the following result:

I then copied their MathML to the clipboard

Maple

Started up Maple 2015, and pasted the clipboard into a new Document. Was prompted for whether I wanted to treat the clipboard as 2D Math, so I clicked Yes.

Got the expression into the Maple Document:

quite neat solution worked for me

best regards