Learn Objective-C with structured tutorials covering basics and advanced concepts. Explore language fundamentals, object-oriented principles, and integration with Apple's Cocoa and Cocoa Touch frameworks.
Predict NMR spectra by drawing molecular structures. Adjust structures to instantly recalculate spectra. Store and sync predicted results across iOS devices and Mac. Email PDF reports. Zoom in on spectra and structures. Display chemical shift values.
Practice Java coding for the AP Exam with 180+ problems covering all 10 units. Solve multiple choice questions and past FRQs. Track progress and access algorithm examples for exam preparation.