<variable holding integer> = Int(<value that needs to be cast>)
'examples MsgBox(Int("001")) 'produces 1 MsgBox(Int(12.1)) 'produces 12
Tag: variables
What is the syntax to declare a constant?
Const <constant's name> = <constant's value>
'examples Public Const wagePerHour = 11.85 Private Const maxGuestCapacity = 2000 Const daysInYear = 365
What is the syntax to force declare variables?
Option Explicit ‘at the top of your modules
What are the data types?
There are two categories of data types: numeric and non-numeric.
Numeric types
- Byte
- whole numbers
- 0 to 255
- Integer
- whole numbers
- -32768 to 32767
- Long
- whole numbers
- +/-2,147,483,648
- Single
- decimals
- +/-3.402823E+38
- Double
- decimals
- +/-4.94065645841247E-324
- Currency
- decimals
- +/-922,337,203,685,477.5808
- Decimal
- decimals
- +/- 79,228,162,514,264,337,593,543,950,335
Non-numeric types
- Stringfixedlength
- 1-65 000 characters
- Stringvariablelength
- 0-2billion characters
- Date
- 01/01/100 to 12/31/9999
- Boolean
- true or false
- Object
- Variantnumeric
- any value as large as Double
- Varianttext
- same as variable-length String
What is the syntax to declare variables?
'to declare procedure variables Dim <variable name> As <variable type> ‘to declare procedure variables that retains value Static <variable name> As <variable type> ‘module variable Private <variable name> As <variable type> ‘global variable Public <variable name> As <variable type>
What are some variable naming rules?
- First character must be a letter
- No spaces, periods, $#&!%…etc
- Cannot use reserved names (ex) integer
