Exhibit 12.1

SunGard Data Systems Inc.

Computation of Ratio of Earnings to Fixed Charges (Unaudited)

($ in millions)



|                                                      |  |                            |      |                            |   |                            |  |                            |      |                                |   |     |  |                                  |     |  |  |  |   |     |  
|----------------------------------------------------- |  | -------------------------- | ---- | -------------------------- | - | -------------------------- |  | -------------------------- | ---- | ------------------------------ | - | --- |  | -------------------------------- | --- |  |  |  | - | --- | -
|                                                      |  |                            |      |                            |   |                            |  |                            |      | Predecessor                    |   |     |  | Successor                        |    
|                                                      |  | Year endedDecember 31,2001 |      | Year endedDecember 31,2002 |   | Year endedDecember 31,2003 |  | Year endedDecember 31,2004 |      | January 1throughAugust 10,2005 |   |     |  | August 11throughDecember 31,2005 |    
|Computation of fixed charges                          |  |                            |      |                            |   |                            |  |                            |      |                                |   |     |  |                                  |     |  |  |  |   |     |  
|Interest expense                                      |  | $                          | 4    |                            | $ | 10                         |  | $                          | 8    |                                | $ | 28  |  | $                                | 14  |  |  |  | $ | 228 |  
|Amortization of debt issuance costs and debt discount |  |                            |     |                            |   | 3                          |  |                            | 3    |                                |   | 1   |  |                                  | 3   |  |  |  |   | 20  |  
|Portion of rental expense representative of interest  |  |                            | 34   |                            |   | 42                         |  |                            | 50   |                                |   | 57  |  |                                  | 38  |  |  |  |   | 25  |  
|                                                      |  |                            |      |                            |   |                            |  |                            |      |                                |   |     |  |                                  |     |  |  |  |   |     |  
|Total fixed charges                                   |  | $                          | 38   |                            | $ | 55                         |  | $                          | 61   |                                | $ | 86  |  | $                                | 55  |  |  |  | $ | 273 |  
|                                                      |  |                            |      |                            |   |                            |  |                            |      |                                |   |     |  |                                  |     |  |  |  |   |     |  
|                                                      |  |                            |      |                            |   |                            | 
|Computation of earnings                               |  |                            |      |                            |   |                            |  |                            |      |                                |   |     |  |                                  |     |  |  |  |   |     |  
|Income (loss) before income taxes                     |  | $                          | 410  |                            | $ | 543                        |  | $                          | 615  |                                | $ | 761 |  | $                                | 288 |  |  |  | $ | (62 | )
|                                                      |  |                            |      |                            |   |                            | 
|Fixed charges per above                               |  |                            | 38   |                            |   | 55                         |  |                            | 61   |                                |   | 86  |  |                                  | 55  |  |  |  |   | 273 |  
|                                                      |  |                            |      |                            |   |                            |  |                            |      |                                |   |     |  |                                  |     |  |  |  |   |     |  
|                                                      |  |                            |      |                            |   |                            | 
|Total earnings                                        |  | $                          | 448  |                            | $ | 598                        |  | $                          | 676  |                                | $ | 847 |  | $                                | 343 |  |  |  | $ | 211 |  
|                                                      |  |                            |      |                            |   |                            |  |                            |      |                                |   |     |  |                                  |     |  |  |  |   |     |  
|                                                      |  |                            |      |                            |   |                            | 
|Ratio of earnings to fixed charges                    |  |                            | 11.8 |                            |   | 10.9                       |  |                            | 11.1 |                                |   | 9.8 |  |                                  | 6.2 |  |  |  |   | *   |  
|                                                      |  |                            |      |                            |   |                            |  |                            |      |                                |   |     |  |                                  |     |  |  |  |   |     |  



|* | Earnings for the period August 11 through December 31, 2005 were inadequate to cover fixed charges by $62 million.
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