Exhibit 12.1

SunGard Data Systems Inc.

Computation of Ratio of Earnings to Fixed Charges (Unaudited)

($ in millions)

	Predecessor		Successor
	Period from January 1 through August 10, 2005		Period from August 11 through September 30, 2005	Nine Months Ended September 30, 2006
Fixed charges
Interest expense	$	14	$            82	$	459
Amortization of debt issuance costs and debt discount		3	6		25
Portion of rental expense representative of interest		38	8		44
Total fixed charges	$	55	$            96	$	528
Earnings
Income (loss) before income taxes	$	288	$        (43)	$	(147	)
Fixed charges per above		55	96		528
Total earnings	$	343	$            53	$	381
Ratio of earnings to fixed charges		6.2	*		*

* Earnings for the period from August 11 through September 30, 2005 and for the nine month period ended September 30, 2006 were inadequate to cover fixed charges by $43 million and $147 million, respectively.

	Predecessor			Successor
	Period from July 1 through August 10, 2005			Period from August 11 through September 30, 2005	Three Months Ended September 30, 2006
Fixed charges
Interest expense	$	3		$            82	$	157
Amortization of debt issuance costs and debt discount		—		6		8
Portion of rental expense representative of interest		7		8		15
Total fixed charges	$	10		$            96	$	180
Earnings
Loss before income taxes	$	(37	)	$            (43)	$	(29	)
Fixed charges per above		10		96		180
Total earnings (loss)	$	(27	)	$            53	$	151
Ratio of earnings to fixed charges		*		*		*

* Earnings for the period from July 1 through August 10, 2005, and for the period from August 11 through September 30, 2005 and for the three month period ended September 30, 2006 were inadequate to cover fixed charges by $37 million, $43 million and $29 million, respectively.