Open Menu > Feedback to report a problem. Expression and screenshot are included automatically. Add comments to explain what is wrong. This is one way submission, if you want a reply, follow up with email to calc@mathlab.us. You can also use Facebook to post comments or send a message.  In case of internal errors, there will be error indicator in top right corner. Touch it to see the error and send a report. Report app crashes through standard Android dialog.   |
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