Time for an 2014 update…

Task/Even-or-odd/Batch-File/even-or-odd.bat

@@ -0,0 +1,14 @@
+@echo off
+set /p i=Insert number:
+
+::bitwise and
+set /a "test1=%i%&1"
+
+::divide last character by 2
+set /a test2=%i:~-1%/2
+
+::modulo
+set /a test3=%i% %% 2
+
+set test
+pause>nul

Task/Even-or-odd/Deja-Vu/even-or-odd.djv

@@ -0,0 +1,10 @@
+even n:
+    = 0 % n 2
+
+odd:
+    not even
+
+!. odd 0
+!. even 0
+!. odd 7
+!. even 7

Task/Even-or-odd/GAP/even-or-odd.gap

@@ -0,0 +1,2 @@
+IsEvenInt(n);
+IsOddInt(n);

Task/Even-or-odd/Julia/even-or-odd.julia

@@ -0,0 +1 @@
+iseven(i), isodd(i)