sysuse auto.dta,clear


//Scalars and Matrices
scalar a=123
display a
gen var1=a

scalar b=2+2
display b

scalar c="2 plus 2 is equal to "
display c

display c b
display b+a

// Matrix
matrix define d=(4,5,6\7,8,9)
matrix list d

//forward and backward slash

scalar e=d[1,2]
display e