I would like to recommend you an application with large number of downloaders. 30,000+ users downloaded Vernier caliper testing skills latest version on 9Apps for free every week! It shouldn't be surprising to find a app popular faithfully This hot app was released on 2018-01-23. Come and download it now!
the app simulate of a verniercaliper with a precision of 1/10, 1/20, 1/50. Users can drag the caliper slide, and the read value is displayed.User can measure pieces and they recive feedback from app.The number of correct/incorrect answer is counting and computed to
percent.
update
9Apps 4.9
