Offers memory and calculation exercises to enhance cognitive skills. Users can save up to four data profiles for family use. difficulty adjusts based on accuracy, with levels increasing as performance improves. A test is available to assess progress.
Perform network diagnostics with ping to measure response time. Check website availability and latency. Look up DNS records for domain names. Calculate subnet ranges and mask values for IP addresses. Verify ISP information and network configuration.
Learn strategies through 950 classic and 900 exercises. Analyze positions with unique 5x5 hints. Practice tactical maneuvers and improve understanding through structured lessons.
Create and edit progressions with inversions, sus2, sus4, 7th, and 9th chords. Play chords as piano or synth or send MIDI to macOS. Use phone as MIDI keyboard for macOS. Practice reading musical notation.
