<ARTICLE> 5 <LEGEND> Exhibit 27 This schedule contains summary financial information extracted from FactSet Research Systems Inc. consolidated statement of financial condition, consolidated statement of income, and consolidated statement of cash flows for the period ending February 28, 1999, and is qualified in its entirety by reference to such financial statements. </LEGEND> <CIK> 0001013237 <NAME> FactSet Research Systems Inc. <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> AUG-31-1999 <PERIOD-END> MAY-31-1999 <CASH> 47,916 <SECURITIES> 0 <RECEIVABLES> 14,710 <ALLOWANCES> 927 <INVENTORY> 0 <CURRENT-ASSETS> 71,145 <PP&E> 20,638 <DEPRECIATION> 6,835 <TOTAL-ASSETS> 92,998 <CURRENT-LIABILITIES> 18,534 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 155 <OTHER-SE> 74,148 <TOTAL-LIABILITY-AND-EQUITY> 92,998 <SALES> 75,516 <TOTAL-REVENUES> 75,516 <CGS> 0 <TOTAL-COSTS> 54,661 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 22,261 <INCOME-TAX> 8,580 <INCOME-CONTINUING> 13,681 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 13,681 <EPS-BASIC> .90<F1> <EPS-DILUTED> .83 <FN> <F1> FOR PURPOSES OF THIS STATEMENT, PRIMARY MEANS BASIC. </FN>