How can you do data entry with 100 percent accuracy?

What software if we use we can gv percent accuracy in data entry typing work...

Express Entry is a simple Web service; no extensive IT sources are required and it can be easily integrated into customized applications and platforms. In addition to the Web service, Webmasters and site developers alike can download a JavaScript code snippet for use with e-commerce forms and online guest books. Users begin typing an address into a search bar and Express Entry completes the query with a verified address, including city, state, and ZIP Code.

Express Entry is free for up to1,000 addresses per month when users display an approved Melissa Data logo, readily enabling real-time data quality for the vast majority of small business websites. Larger volume subscriptions are available if website traffic warrants increased usage. Both business and customers benefit from improved, real-time data quality; order entry is easier and faster, and misdirected shipments and shipping costs are reduced.