<ARTICLE> 5 <LEGEND> Appendix A to Item 601(c) of Regulation S-K Commercial and Industrial Companies Article 5 of Regulation S-X (In thousands except per share data) </LEGEND> <CIK> 0000010242 <NAME> Base Ten <MULTIPLIER> 1 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> Dec-31-1998 <PERIOD-START> Jul-01-1998 <PERIOD-END> Sep-30-1998 <EXCHANGE-RATE> 1 <CASH> 2,103,000 <SECURITIES> 125,000 <RECEIVABLES> 5,008,000 <ALLOWANCES> (290,000) <INVENTORY> 0 <CURRENT-ASSETS> 7,991,000 <PP&E> 8,893,000 <DEPRECIATION> (3,803,000) <TOTAL-ASSETS> 21,596,000 <CURRENT-LIABILITIES> 5,299,000 <BONDS> 10,000,000 <PREFERRED-MANDATORY> 18,000 <PREFERRED> 0 <COMMON> 10,554,000 <OTHER-SE> (7,878,000) <TOTAL-LIABILITY-AND-EQUITY> 21,596,000 <SALES> 2,708,000 <TOTAL-REVENUES> 2,708,000 <CGS> 1,496,000 <TOTAL-COSTS> 5,746,000 <OTHER-EXPENSES> (143,000) <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 345,000 <INCOME-PRETAX> (3,240,000) <INCOME-TAX> 0 <INCOME-CONTINUING> (3,240,000) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (3,240,000) <EPS-PRIMARY> (0.36) <EPS-DILUTED> (0.36)