Call by value
Pascal C/C++
w ANSI C/C++:
wfloat f(int x, int y ,float z)
w{   int q;
w   
w    q = x*x +y;
w     return (q – z);
w}
wfunction f(x, y: integer;
w         z: real) : real;
w
wvar
w q: integer;
wbegin
w q := sqr(x) + y;
w f := q – z;
wend;