Here are some useful shortcuts.
^ -- raise to a power.
sqrt -- create a root symbol which by default is a square root when nothing is entered for the degree of the root.
integrals
- int for an indefinite integral
- cint for a contour integral
- dint for a definite integral
union/intersection
- cup for a union
- cap for an intersection
pi -- create the Greek letter for pi
arcsin, arccos, arctan -- inverse trigonometric functions
po -- create (,) notation for a point
(,) -- create notation for an interval
vectors
- vec + symbol for an arrow notation of a vector named symbol
- vec + < or <> for an angle brackets notation
- vi or vx, vj or vy, vk or vz for unit vectors (<1,0,0>, <0,1,0>, <0,0,1> respectively)
- You can see all other shortcuts by bringing your cursor onto the notation listed in the Algebra and Calculus pads: