1. ## Maple 11 command

hello.

i have thes problem if i want to make a maple document when i just can put some numbers in then it can figure out all about a tema i have taken. and now i have thes problem when i need to have more then one cormmand when there need to stand ect.
a:= x1,x2

and a other place i need

a:= <2,3>

so when i press "Execute the entire worksheet" the hole document will be up

is there a command i tan take in so maple cant rember the previous commands.