Operators and Expressions

Read Section 4.5 to 4.8 in the FORTRAN95 Manual and answer the questions in Exercises.

Exercises

1) How do you write x^y in a program?

2) Why can integer divisions sometimes produce unwanted results? What are the results of following formulas?

7/2 7.0/2.0 9/10 9.0/10.0 16-5*(16/5) 16.0-5.0*(16.0/5.0)

3) What are the older forms of the relational operators, <, <=, >, >=, ==, and /=?

4) When is an ampersand (&) needed in a statement?