law clerk | Digital data | Array data structure | James Clerk Maxwell | Electronic Data Systems | Clerk of the New York Court of Appeals | Data General | Clerk of the United States House of Representatives | clerk | Data East | data center | data | Control Data Corporation | Clerk | Radio Data System | Automatic Data Processing | Protein Data Bank | Lord Justice Clerk | data compression | Data | NHL Entry Draft | James Clerk Maxwell Telescope | Data storage device | Data (Star Trek) | data mining | Clerk of the Supreme Court of the United States | 2012 NHL Entry Draft | Royal Entry | Nielsen Broadcast Data Systems | Enhanced Data Rates for GSM Evolution |
The System 21 was aimed, among others, at applications such as mathematical and statistical analysis, business data processing, data entry and media conversion, and educational/classroom use.