home *** CD-ROM | disk | FTP | other *** search
- (* Chapter 3 - Program 4 *)
- program Real_Math_Demo;
-
- var A,B,C,D : real;
-
- begin
- A := 3.234; {simply assigning a value}
- B := A + 1.101; {adding a constant}
- C := A + B; {summing two variables}
- D := 4.234*A*B; {multiplication}
- D := 2.3/B; {division}
- D := A - B; {subtraction}
- D := (A + B)/(12.56-B); {example of a multiple expression}
- {Pascal has no expression for
- raising a number to a power.
- It must be done with the log and
- exp functions}
- {The trigonometric functions, log functions and others are
- available as predefined routines.}
-
- {It will be left up to you to print out some of the above values}
- end.
-
-