You stated you're a student. You don't need a trial! We have a free Community edition of Delphi and C++Builder for 商用利用に制限あり, and you can also get your school on our academic program.
Download the free Community Edition for Delphi or for C++Builder
"What I like best about RAD Studio is the ease and speed of developing an application, and the ability to design whatever you can think of. It’s like my motto, Nothing is impossible!"
Paul Denham, IT Manager, Unique Car Mats (UK) Ltd.
"C++ Builder allows me to develop stunning UI without involving a lot of time, while at the same time focusing on the core alogrithmic parts of the application."
Engineer, Medium Enterprise Infrastructure And Engineering
"With InterBase, we were able to deliver to our customers a reliable and powerful database that runs for several years with nearly zero administration."
Juergen Konewitz, Application Developer, Abies ITS Gmbh