Math Operators in PERL

1. Math Operators in PERL

2. Math Operators in PERL:Addition + Code Output

3. Math Operators in PERL:Subtraction - Code Output

4. Math Operators in PERL:Multiplication * Code Output

5. Math Operators in PERL:Division / Code Output

6. Math Operators in PERL:Modulus % (remainder after division) Code Output

7. Math Operators in PERL:Exponentiation ** Code Output

8. Math Operators in PERL:Square Root sqrt(x) Code Output

9. Math Operators in PERL:Square Root sqrt(x) Code Output

10. Math Operators in PERL:Square Root: another way Code Output

11. Math Operators in PERL:Natural Log (ln) log(x) Code Output

12. Math Operators in PERL:Logarithms using bases other than e • The only built in function for log’s in Perl is for natural log’s (base e) often written as ln • Many other applications prefer to use base 10 • Microarray data are often in base 2 • Conversion: log(x) base y = ln(x) / ln(y)

13. Math Operators in PERL:Log base 10 Code Output

14. Math Operators in PERL:Scientific Notation Code Output

15. Math Operators in PERL:Complex Equations • PERL recognizes the use of parentheses for complex equations • For example: the quadratic equation to solve ax2 + bx + c = 0

16. Math Operators in PERL:Complex Equations Code Output