## VB6 Tutorial 34: Handy Numeric functions

**Posted On **2018-04-18 by VB6Boy

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**Tags:** VB6 Tutorials Windows

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In this lesson, we'll take a look at three numeric functions: SQR, INT, and Round. In a later lesson, we'll take a look at more numeric functions.

### The Sqr function

The Sqr function returns the square root of a number. This function takes a Double type argument and returns a Double implying that you can work with large numbers using the Sqr function.

#### Example

Print Sqr(9)

Output: 3

### The Int function

The Int function returns the greatest integer less than or equal to the number. It discards the decimal part of a number. This function greatly helps in truncating the decimal part of a number. But be aware that in case of a negative decimal number, it returns a rounded up value, resulting in an increment of integer part as it's shown in example 3 below.

#### Example

Print Int(2.9)

Output: 2

#### Example

Print Int(5)

Output: 5

#### Example 3

Print Int(-5.8)

Output: -6

### The Round function

The Round function rounds a numeric value.

#### Syntax

Round(Number, [no. of digits after decimal]

If the second parameter is omitted, the number is rounded to a whole number.

#### Example

Print Round(5.8)

Output: 6

#### Example

Print Round(5.8, 1)

Output: 5

#### Example

Print Round(5.4568, 2)

Output: 5.46

Later in the series, we'll take a look at more numeric functions.

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