Exhibit 12.1

SunGard Data Systems Inc.

Computation of Ratio of Earnings to Fixed Charges (Unaudited)

($ in millions)



|                                                      |  |                            |      |                            |   |                            |  |                                |     |  |   |                                  |  |  |                            |   |     |   |  |   |      |  
|----------------------------------------------------- |  | -------------------------- | ---- | -------------------------- | - | -------------------------- |  | ------------------------------ | --- |  | - | -------------------------------- |  |  | -------------------------- | - | --- | - |  | - | ---- | -
|                                                      |  | Predecessor                |      |                            |   | Successor                  | 
|                                                      |  | Year endedDecember 31,2002 |      | Year endedDecember 31,2003 |   | Year endedDecember 31,2004 |  | January 1throughAugust 10,2005 |     |  |   | August 11throughDecember 31,2005 |  |  | Year endedDecember 31,2006 |  
|Fixed charges                                         |  |                            |      |                            |   |                            |  |                                |     |  |   |                                  |  |  |                            |   |     |   |  |   |      |  
|Interest expense                                      |  | $                          | 10   |                            | $ | 8                          |  | $                              | 28  |  | $ | 14                               |  |  |                            | $ | 228 |   |  | $ | 616  |  
|Amortization of debt issuance costs and debt discount |  |                            | 3    |                            |   | 3                          |  |                                | 1   |  |   | 3                                |  |  |                            |   | 20  |   |  |   | 40   |  
|Portion of rental expense representative of interest  |  |                            | 42   |                            |   | 50                         |  |                                | 57  |  |   | 38                               |  |  |                            |   | 25  |   |  |   | 61   |  
|                                                      |  |                            |      |                            |   |                            |  |                                |     |  |   |                                  |  |  |                            |   |     |   |  |   |      |  
|Total fixed charges                                   |  | $                          | 55   |                            | $ | 61                         |  | $                              | 86  |  | $ | 55                               |  |  |                            | $ | 273 |   |  | $ | 717  |  
|                                                      |  |                            |      |                            |   |                            |  |                                |     |  |   |                                  |  |  |                            |   |     |   |  |   |      |  
|Earnings                                              |  |                            |      |                            |   |                            |  |                                |     |  |   |                                  |  |  |                            |   |     |   |  |   |      |  
|Income (loss) before income taxes                     |  | $                          | 543  |                            | $ | 615                        |  | $                              | 761 |  | $ | 288                              |  |  |                            | $ | (62 | ) |  | $ | (139 | )
|Fixed charges per above                               |  |                            | 55   |                            |   | 61                         |  |                                | 86  |  |   | 55                               |  |  |                            |   | 273 |   |  |   | 717  |  
|                                                      |  |                            |      |                            |   |                            |  |                                |     |  |   |                                  |  |  |                            |   |     |   |  |   |      |  
|Total earnings                                        |  | $                          | 598  |                            | $ | 676                        |  | $                              | 847 |  | $ | 343                              |  |  |                            | $ | 211 |   |  | $ | 578  |  
|                                                      |  |                            |      |                            |   |                            |  |                                |     |  |   |                                  |  |  |                            |   |     |   |  |   |      |  
|Ratio of earnings to fixed charges                    |  |                            | 10.9 |                            |   | 11.1                       |  |                                | 9.8 |  |   | 6.2                              |  |  |                            |   | *   |   |  |   | *    |  
|                                                      |  |                            |      |                            |   |                            |  |                                |     |  |   |                                  |  |  |                            |   |     |   |  |   |      |  



|* | Earnings for the period August 11 through December 31, 2005 and for the year ended December 31, 2006 were inadequate to cover fixed charges by $62 million and $139
million, respectively.
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