Real constants and functions: Difference between revisions

Content added Content deleted

Inline

@@ Line 1,423: / Line 1,423: @@
 =={{header|Perl 6}}==
 <lang perl6>say e;            # e
-say pi;           # pi
+say π; # or pi    # pi
-say π,e;          # if you prefer unicode
+say τ; # or tau   # tau
+# Common mathmatical function are availble
+# as subroutines and as numeric methods.
+# It is a matter of personal taste and
+# programming style as to which is used.
 say sqrt 2;       # Square root
+say 2.sqrt;       # Square root
+# If you omit a base, does natural logarithm
 say log 2;        # Natural logarithm
-say exp 42;       # Exponentiation base e
+say 2.log;        # Natural logarithm
+# Specify a base if other than e
+say log 4, 10;    # Base 10 logarithm
+say 4.log(10);    # Base 10 logarithm
+say 4.log10;      # Convenience, base 10 only logarithm
+say exp 7;        # Exponentiation base e
+say 7.exp;        # Exponentiation base e
+# Specify a base if other than e
+say exp 7, 4;     # Exponentiation
+say 7.exp(4);     # Exponentiation
+say 4 ** 7;       # Exponentiation
 say abs -2;       # Absolute value
-say floor pi;     # Floor
+say (-2).abs;     # Absolute value
+say floor -3.5;   # Floor
+say (-3.5).floor; # Floor
 say ceiling pi;   # Ceiling
-say 4**7;         # Exponentiation</lang>
+say pi.ceiling;   # Ceiling
+say e ** π\i + 1 ≅ 0; # :-)</lang>
 =={{header|PHP}}==