EXHIBIT 12.1

i2 TECHNOLOGIES, INC.

COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES



|                                                    |  |                         |        |      |   |         |      |  |   |         |   |  |      |         |   |  |   |            |  
|--------------------------------------------------- |  | ----------------------- | ------ | ---- | - | ------- | ---- |  | - | ------- | - |  | ---- | ------- | - |  | - | ---------- | -
|                                                    |  | Year Ended December 31, |       
|                                                    |  | 2005                    |        | 2004 |   |         | 2003 |  |   | 2002    |   |  | 2001 |        
|Income (loss) from continuing operations before tax |  | $                       | 48,109 |      | $ | (5,471  | )    |  | $ | (1,001  | ) |  | $    | (18,349 | ) |  | $ | (7,959,846 | )
|Add:                                                |  |                         |        |      |   |         |      |  |   |         |   |  |      |         |   |  |   |            |  
|Interest expense                                    |  |                         | 16,315 |      |   | 17,873  |      |  |   | 20,641  |   |  |      | 23,839  |   |  |   | 21,997     |  
|Amortization of debt issuance costs                 |  |                         | 1,422  |      |   | 1,888   |      |  |   | 1,575   |   |  |      | 1,575   |   |  |   | 1,454      |  
|Preferred dividends                                 |  |                         | 3,020  |      |   | 1,720   |      |  |   |        |   |  |      |        |   |  |   |           |  
|Interest component of rent expense                  |  |                         | 664    |      |   | 728     |      |  |   | 1,556   |   |  |      | 2,889   |   |  |   | 3,619      |  
|                                                    |  |                         |        |      |   |         |      |  |   |         |   |  |      |         |   |  |   |            |  
|Fixed charges                                       |  |                         | 21,421 |      |   | 22,209  |      |  |   | 23,772  |   |  |      | 28,303  |   |  |   | 27,070     |  
|                                                    |  |                         |        |      |   |         |      |  |   |         |   |  |      |         |   |  |   |            |  
|Less:                                               |  |                         |        |      |   |         |      |  |   |         |   |  |      |         |   |  |   |            |  
|Preferred dividends                                 |  |                         | 3,020  |      |   | 1,720   |      |  |   |         |   |  |      |         |   |  |   |            |  
|                                                    |  |                         |        |      |   |         |      |  |   |         |   |  |      |         |   |  |   |            |  
|Earnings before fixed charges                       |  | $                       | 66,510 |      | $ | 15,018  |      |  | $ | 22,771  |   |  | $    | 9,954   |   |  | $ | (7,932,776 | )
|                                                    |  |                         |        |      |   |         |      |  |   |         |   |  |      |         |   |  |   |            |  
|                                                    |  |                         |        |      |  
|Interest expense                                    |  | $                       | 16,315 |      | $ | 17,873  |      |  | $ | 20,641  |   |  | $    | 23,839  |   |  | $ | 21,997     |  
|Amortization of debt issuance costs                 |  |                         | 1,422  |      |   | 1,888   |      |  |   | 1,575   |   |  |      | 1,575   |   |  |   | 1,454      |  
|Preferred dividends                                 |  |                         | 3,020  |      |   | 1,720   |      |  |   |        |   |  |      |        |   |  |   |           |  
|Interest component of rent expense                  |  |                         | 664    |      |   | 728     |      |  |   | 1,556   |   |  |      | 2,889   |   |  |   | 3,619      |  
|                                                    |  |                         |        |      |   |         |      |  |   |         |   |  |      |         |   |  |   |            |  
|Fixed charges                                       |  | $                       | 21,421 |      | $ | 22,209  |      |  | $ | 23,772  |   |  | $    | 28,303  |   |  | $ | 27,070     |  
|                                                    |  |                         |        |      |   |         |      |  |   |         |   |  |      |         |   |  |   |            |  
|Deficiency                                          |  | $                       |       |      | $ | (27,680 | )    |  | $ | (24,773 | ) |  | $    | (46,652 | ) |  | $ | (7,986,916 | )
|                                                    |  |                         |        |      |  
|Ratio of earnings (loss) to fixed charges           |  |                         | 3.10   |      |   | 0.68    |      |  |   | 0.96    |   |  |      | 0.35    |   |  |   | (293.05    | )