... Ctrl+M,3 1 2 3 4 5 6 7 8 9 Ctrl+M,N Khai bao ma tran Dau ngoac Ctrl+9 ( ) Ctrl+[ [ ] Ctrl+T,[ [ Ctrl+{ { } Ctrl+T,} { Ctrl+T,| Phan so va can thuc Ctrl+F x y Ctrl+T,Shift+F x y Ctrl+/ x y Ctrl+T,? ... Ctrl+T,Shift+S x ∑ Tich phan Ctrl+Shift+I,! x ∫ Ctrl+Shift+I,S z y x ∫ Ctrl+I z y x ∫ Ctrl+Shift+T,X congthuc ... Ctrl+G,Y Ctrl+G,Z Kyự tửù la tinh chửừ IN Ctrl+G,Shift+D Ctrl+G,Shift+F Ctrl+G,Shift+W Daỏu go c, vectụ Ctrl+Alt+' y Ctrl+" y Ctrl+6,Alt+' y Ctrl+6,Alt+- y Ctrl+6,X y Ctrl+6,/...