Exhibit 32.1

PAR TECHNOLOGY CORPORATION

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of PAR Technology Corporation (the “Company”) on Form 10-Q for the quarter ended March 31, 2010 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), we, John W. Sammon and Ronald J. Casciano, Chairman of the Board & Chief Executive Officer and Vice President, Chief Financial Officer, Treasurer, and Chief Accounting Officer of the Company, certify pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that to the best of our knowledge:

1. The Report fully complies with the requirement of section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/John W. Sammon

John W. Sammon

Chairman of the Board & Chief Executive Officer

May 10, 2010

/s/Ronald J. Casciano

Ronald J. Casciano

Vice President, Chief Financial Officer, Treasurer,

and Chief Accounting Officer

May 10, 2010

E-3