All products - zimazon, Asus 19.5" touchscreen portable computer -- pt2001 4th gen dual core i5 roll image zoom asus 19.5" touchscreen portable computer --. http://zimazon.co.zw/index.php?route=product/product_list Download - updatestar - updatestar., Download free trial version started. double-click downloaded file install software.. http://client.updatestar.com/en/updatestar/download/ Http://www.ossmann./protractor/conventional-protractor.pdf, . http://www.ossmann.com/protractor/conventional-protractor.pdf