| A | B |
|---|
| Math class | provides programmers with numerous functions. |
| Abs(num) | Returns the absolute value of a positive or negative number |
| Sqrt(num) | Returns the square root of a number |
| Sign(num) | Returns the sign of a number |
| Round (num, places) | Returns number nearest to the specified value. |
| Abs() function | Decimal, Double, Int16, Int32, Int64, SByte, Single |
| Strings | Remember with strings the first letter is at index position 0. |
| Compare() | Compares two specified String objects and returns an integer that indicates their relative position in the sort order |
| Concat() | Creates the string representation of a specified object, usually two or more strings |
| Equals() | Determines whether this instance and another specified String object have the same value |
| IndexOf() | Reports the index of the first occurrence of the specified Unicode character (or string) in this string |
| Insert() | Inserts a specified instance of String at a specified index position in this instance |
| Remove() | Deletes all the characters from this string beginning at a specified position and continuing through the last position |
| Replace() | Returns a new string in which all occurrences of a specified string in the current instance are replaced with another specified string |
| ToLower() | Returns a copy of this string converted to lowercase |
| ToUpper() | Returns a copy of this string converted to uppercase |
| Trim() | Removes all leading and trailing white-space characters from the current String object |
| TrimEnd() | Removes all trailing occurrences of a set of characters specified in an array from the current String object |
| TrimStart() | Removes all leading occurrences of a set of characters specified in an array from the current String object |
