No specific info about version 2.9. Please visit the main page of Hash-Calculator on Mac Informer.
An electronic calculator supporting operations with binary numbers.
Simple MP4 file-format muxer and tagger.
Date Calculator is a genealogy tool for date calculations.
Calculates the md5, sha1 and sha256 hashes for any given file.
Will calculate the spine of a book given the paper thickness and number of pages