@@ Line 21: / Line 21: @@
 ** [http://rosettacode.org/wiki/Category:Type_System               Category:Type System]
-* [http://rosettacode.org/wiki/Category:Arithmetic_operations      Category:Arithmetic operations]
+* [[:Category:Arithmetic]]
+** [http://rosettacode.org/wiki/Category:Arithmetic_operations   Category:Arithmetic operations]
 * [http://rosettacode.org/wiki/Category:Initialization       Category:Initialization]
@@ Line 28: / Line 30: @@
 ** [http://rosettacode.org/wiki/Category:Iteration                Category:Iteration]
 ** [http://rosettacode.org/wiki/Category:Recursion                Category:Recursion]
+* [[:Category:Functions and subroutines]]
 * [http://rosettacode.org/wiki/Category:Input_Output               Category:Input Output]
@@ Line 41: / Line 45: @@
 * [http://rosettacode.org/wiki/Category:Matrices                   Category:Matrices]
+* [[:Category:Regular expressions]]
 * [http://rosettacode.org/wiki/Category:String_manipulation        Category:String manipulation]
 * [http://rosettacode.org/wiki/Category:Object_oriented            Category:Object oriented]
@@ Line 53: / Line 59: @@
 * [http://rosettacode.org/wiki/Category:Classic_CS_problems_and_programs Category:Classic CS problems and programs]
+* [[:Category:Database operations]]
 * [http://rosettacode.org/wiki/Category:Date_and_time              Category:Date and time]
 * [http://rosettacode.org/wiki/Category:Checksums                 Category:Checksums]
@@ Line 78: / Line 85: @@
 ** [http://rosettacode.org/wiki/Category:Internet_Protocol         Category:Internet Protocol]
 ** [http://rosettacode.org/wiki/Category:Web                       Category:Web]
+** [[:Category:XML]]
 * [http://rosettacode.org/wiki/Category:Mathematics             Category:Mathematics]
-** [[:Category:Arbitrary Precision]]
+** [[:Category:Arbitrary_Precision]]
+** [[:Category:GMP]] - GNU Multiple Precision Arithmetic Library
+** [[:Category:Constructive Solid Geometry]]
+** [[:Category:Geometric Primitives]]
+** [[:Category:Geometric Subtraction]]
 ** [http://rosettacode.org/wiki/Category:Discrete_math             Category:Discrete math]
 ** [http://rosettacode.org/wiki/Category:Irrational_numbers      Category:Irrational numbers]
@@ Line 86: / Line 99: @@
 ** [http://rosettacode.org/wiki/Category:Mathematical_operations Category:Mathematical operations]
 ** [[:Category:Prime Numbers]]
 ** [http://rosettacode.org/wiki/Category:Probability_and_statistics Category:Probability and statistics]
+** [[Category:Randomness]]
 * [http://rosettacode.org/wiki/Category:Programming_environment_operations Category:Programming environment operations]
+**[[:Category:Environment variables]]
 * [http://rosettacode.org/wiki/Category:Sorting_Algorithms         Category:Sorting Algorithms]
+* [[:Category:Testing]] / Category:Software Engineering
 ==Misc==