Others require the purchase of premium access to the site.

For example, a purchase required in 10 years time would need to multiplier by 0.7812.

It's a plane that requires the purchase of, let us say, options.

To watch a film on disk, however, requires the purchase of a new player that will read the data for the television screen.

Deal with rights of the owner to require purchase of interests.

The applications should not require the purchase of additional products to be fully operational.

The minimum purchases required was between $5 and $20, depending on the amount of pictures stored.

The company requiring minimum purchase that was often overwhelming to the dealers.

The initial program was free, however, many functions required the purchase of add-ons.

The free lite edition does not require the purchase of a license.