Table of Contents
What is a double in VB?
A Double is 8 bytes. It is a value type. It stores numeric values that have a decimal place. It stores extremely small and extremely large numbers. Doubles are often used in VB.NET programs that also use the Math type.
What is the double datatype?
double: The double data type is a double-precision 64-bit IEEE 754 floating point. Its range of values is beyond the scope of this discussion, but is specified in the Floating-Point Types, Formats, and Values section of the Java Language Specification. For decimal values, this data type is generally the default choice.
What is a double type in VBA?
A double data type is one of the data types that allows for decimals, as opposed to the integer data type. It’s not necessary to always declare the data type. Sometimes, it’s sufficient to declare the name, and VBA can infer the data type when the variable is used in the code later on.
What is a double value?
The double variable can hold very large (or small) numbers. The maximum and minimum values are 17 followed by 307 zeros. The double variable is also used to hold floating point values. A floating point value is one like 8.7, 12.5, 10.1. In other words, it has a “point something” at the end.
What is the difference between float and Double data types?
Though Float and Double both of them are used for assigning real (or decimal) values in programming there is a major difference between these two data types. Float takes 4 bytes for storage. Double takes 8 bytes for storage. A value having a range within 1.2E-38 to 3.4E+38 can be assigned to float variables.
How many digits can a double hold?
Floating-Point Types
Type | Significant digits | Number of bytes |
---|---|---|
float | 6 – 7 | 4 |
double | 15 – 16 | 8 |
What is the difference between a double and a float?
The Decimal, Double, and Float variable types are different in the way that they store the values. Precision is the main difference where float is a single precision (32 bit) floating point data type, double is a double precision (64 bit) floating point data type and decimal is a 128-bit floating point data type.