Scrubbing / forward / rewind: arrow right, arrow left keys Jump to start: Home or `s` , you can also click/tap the lesson part again (the numbers above player) Go to next part: PageUP or End. ( iOS: swipe right or left over video ) Volume: ArrowUp / ArrowDown keys Go to any part: Number keys (combinations also possible) Pause or play: `k` or space key Fullscreen: `f`, esc to close
Hello everyone. We nearly are comming to the end of this series. Groups 9 and 10 have some extra formulas that share two qualities: They are hard to associate with other formulas from this series, and they are harder to play. Let me know about any difficulty you are having with this at the forum. Good luck.