There are a separate price schedules for commercial / government and academic buyers. A price summary follows.

Commercial or Government	Academic
The Order Form is available here.
Permanent license First user $495 Users 2-25 $395 each Users 26+ $295 each	Permanent license First user $350 Users 2-10 $295 each Users 11-20 $195 each Users 21+ $95 each
Annual license 10 or fewer users $3,000 Users 11-25 $195 each Users 26+ $95 each	Annual license 10 or fewer users $2,000 Users 11-20 $150 each Users 21+ $70 each
Student version $25
The Student Order Form is available here.