What adhesive is best to repair vintage calculator metal sheet on plastic?

[robve]

For the record, if anyone is interested, I used double-sided tape. That worked very well. The thin sheet metal cover fits snugly and flush with the plastic. Because the tape cannot be repositioned (you'll have to separate the parts and take it off), it takes a bit of patience and practice to position the two parts once and for all.

Rubber cement doesn't dry between non-porous materials like metal and plastic. I gave up after letting it set for 48 hours. It's easy to remove when dry.

Thanks again for the tips!

- Rob