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EES - Commercial Version

Single User License ($600) (Includes Instant Update and Technical Service for one year)
5 User License ($2400) (Includes Instant Update and Technical Service for one year)
10 User License ($3900) (Includes Instant Update and Technical Service for one year)
20 User License ($6000) (Includes Instant Update and Technical Service for one year)
Academic License ($1500)

*Please contact us for pricing for more than 20 user licenses.


EES - Professional Version (32-bit)

Single User License ($1200) (Includes Instant Update and Technical Service for one year)
5 User License ($4800) (Includes Instant Update and Technical Service for one year)
10 User License ($7800) (Includes Instant Update and Technical Service for one year)
20 User License ($12000) (Includes Instant Update and Technical Service for one year)
Academic License ($3750)

*Please contact us for pricing for more than 20 user licenses.


EES - 64-bit Professional License File Upgrade

An existing Professional 32-bit license with current IUTS is required for this purchase. See the 64-bit information page before ordering.

Single-user 64-bit license file ($240)
5 User 64-bit license file ($960)
10 User 64-bit license file ($1560)
20 User 64-bit license file ($2400)
Academic 64-bit license file ($750)

*Please contact us for pricing for more than 20 user licenses.


EES - Renewal of Instant Update and Technical Service (IUTS) for One Year

When purchasing, you will need to supply your EES Registration Number. (See first screen of software for number.)

Commercial version, less than 12 months past expiration ($120)
Commercial version, more than 12 months past expiration ($240)
Professional version, less than 12 months past expiration ($240)
Professional version, more than 12 months past expiration ($480)
5 User Commercial version, less than 12 months past expiration ($480)
5 User Commercial version, more than 12 months past expiration ($960)
5 User Professional version, less than 12 months past expiration ($960)
5 User Professional version, more than 12 months past expiration ($1920)
10 User Commercial version, less than 12 months past expiration ($780)
10 User Commercial Version, more than 12 months past expiration ($1560)
10 User Professional version, less than 12 months past expiration ($1560)
10 User Professional version, more than 12 months past expiration ($3120)
20 User Commercial version, less than 12 months past expiration ($1200)
20 User Commercial Version, more than 12 months past expiration ($2400)
20 User Professional version, less than 12 months past expiration ($2400)
20 User Professional version, more than 12 months past expiration ($4800)

*Please contact us to order Instant Update and Technical Service for more than 20 user licenses.


EES - Replace Academic License File

Replace Academic (32-bit) EES.dft file ($100)


EES_REFPROP Interface

Note that the number of users for the EES_REFPROP interface must match the number of users for the EES license. A valid license for the NIST REFPROP program is required when using the EES_REFPROP Interface.

Single User License ($1000)
5 User License ($3000)
10 User License ($5000)
20 User License ($7500)
Academic License ($3750)


EES_REFPROP 64-bit Interface Upgrade

An existing EES_REPPROP Interface is required to order the 64-bit version. See the 64-bit information page before ordering.

Single User 64-bit update ($200)
5 User License ($600)
10 User License ($1000)
20 User License ($1500)
Academic License ($750)


Mastering EES ($25 for single copies. Order 5 copies for use by all students and faculty in an Academic Department. )

Mastering EES


Order Form

If you prefer to order offline, please download an order form and email, fax, or send via postal mail to us.