Geac Computer (GEAC) 6-K Earnings from Operations Increased 17.6% in Q3 FY 2005 Over Q3 FY 2004

Exhibit 99.3

Certification of Interim Filings during Transition Period

I, Donna de Winter, certify that:

1.I have reviewed the interim filings (as this term is defined in Multilateral Instrument 52-109 Certification of Disclosure in Issuers’ Annual and Interim Filings) of Geac Computer Corporation Limited (the issuer) for the interim period ending January 31, 2005;

2.Based on my knowledge, the interim filings do not contain any untrue statement of a material face or omit to state a material fact required to be stated or that is necessary to make a statement not misleading in light of the circumstances under which it was made, with respect to the period covered by the interim filings; and

3.Based on my knowledge, the interim financial statements together with the other financial information included in the interim filings fairly present in all material respects the financial condition, results of operations and cash flows of the issuer, as of the date and for the periods presented in the interim filings.

Date:	March 8, 2005
Signature:	/s/ Donna de Winter
Name/Title:	Donna de Winter, Senior Vice President and Chief Financial Officer