1.  Addition of two floatingpoint variables compared to a variable can lead to an unexpected result.   
2.  Addition of two floatingpoint variables compared to a variable with the expected value result can lead to an unexpected result.   
3.  Compare floatingpoint values,avoid the == operator and use the <, >, >=, and <=.   
4.  Comparing float values   
5.  Comparing floating point numbers   
6.  Compound Interest   
7.  Continuously Compounded Interest Calculator   
8.  Finding the distance between two points   
9.  Float is converted to an integer before the binary and (&) operation is executed.   

10.  Floating point numbers ("doubles") can be specified using any of the following syntaxes:   
11.  Floatingpoint arithmetic:   
12.  the float is converted to an integer before the binary and (&) operation is executed.   
13.  PHP feettometers converter   
14.  Specifying Precision   
15.  Storing Floating Point Numbers in PHP   
16.  Simple Interest   
17.  Calculate the area of a circle of given radius   
18.  Define Integer, double and string value and output them   
19.  Add a PHP block and create a variable that holds a floatingpoint number   