Returns the natural (base e) logarithm of a specified number or the logarithm of a specified number in a specified base
FixFix(Number)
Shortens the decimal part of a positive number and returns the largest integer smaller than number
RndVBMath.Rnd()*Number
Write code that involves chance and probability, and returns a random value between 0 and 1
SqrtMath.Sqrt(Number)
Returns the square root of a specified number
InputBox
Displays a message box where user can input data
MsgBox
Produces a pop-up message box and prompts the user to click on a command button before going to the next instruction
function
a block of organized. reusable code that is used to perform a sigle and related action.
provide better modularity for the application and a high degree of code reusing
enclosed by function and end function statements
performs a task and returns control to the calling code. when it returns control, it also returns a valuse to the calling code
date function
reads the system clock and returns the current date as a string in the format MM/DD/YY. In VB.NET, there are also some date functions that are frequently used such as NOW and TODAY.
Now# function
returns a date value containing the current date and time according to the system setting.
today# function
returns a date value containing the current date only.
TimeOfDay# function
returns a date value containing only the current time
stringsfunction
strings are not objects, so they do not have methods but there are a number of functions for string manipulation.
input or output function
allow the system to handle input from the user and output that is resulted from the code