Vba divide

Vba divide DEFAULT

Divide a range of cells by same number

OBJECTS
Worksheets: The Worksheets object represents all of the worksheets in a workbook, excluding chart sheets.
Range: The Range object is a representation of a single cell or a range of cells in a worksheet.

PREREQUISITES
Worksheet Name: Have a worksheet named Analysis.
Value Range: If using the same VBA code the range of values that you want to divide need to be captured in range ("B3:C7") in the Analysis worksheet.
Number to divide by: If using the same VBA code the number that you want to divide the range of values by needs to be captured in cell ("E3") in the Analysis worksheet.

ADJUSTABLE PARAMETERS
Value Range: Select the range of values that you want to divide by changing the range reference ("B3:C7") in the VBA code to any cell in the worksheet, that doesn't conflict with formula.
Number to divide by: Select the number that want to divide the range of values by changing the value in cell ("E3") or changing the cell reference ("E3"), in the VBA code, to any cell in the worksheet that captures the number that you want to divide by and doesn't conflict with formula.

ADDITIONAL NOTES
Note 1: The VBA code returns the divided numbers in the same range where the numbers that you are dividing by are captured.

Sours: https://www.exceldome.com/solutions/divide-a-range-of-cells-by-same-number/

VBA - Divide selected cells by a pre-defined number

Hi all,
I'm new to the forum and to VBA and would like to set up a macro for the following use case:

I have a worksheet with a flexible amount of cells filled with numbers (>1) which I would like to turn into percentages by dividing them by 100. I would like to use the macro only for those cells I highlight in the worksheet.
Since I would like to divide all of the selected cells by 100, it would be great to pre-define the value '100' in the VBA code.

For now, I have the following code:

Sub Percentage()
'
' Percentage Macro
'
' Keyboard Shortcut: Ctrl+Ü
'
ActiveCell = ActiveCell / 100
ActiveCell.Select
Selection.Style = "Percent"
End Sub

Unfortunately, this only works for one cell at a time. How do I extend the active cell selection to all the cells I highlight?
Please bear with me if this is super basic ;)
Thanks so much for your help!
Eva

 

Sours: https://www.mrexcel.com/board/threads/vba-divide-selected-cells-by-a-pre-defined-number.1044127/
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Mathematical Operations in VBA

Mathematical Operations can be applied on numerical data. On this page you'll read about the familiar arithmetic operations and the operators used to perform them. Also the use of parentheses to define the order, how you write it in code and show the answers are here.

In the table below you see some of the mathematical operations such as addition, subtraction, multiplication, division, exponentiation. To write code for mathematical operations, we use various arithmetic operators. This operators are very similar to the normal arithmetic operators. The plus and minus operators are the same. Note that the multiplication operator uses the * symbol and the division operator uses the / symbol.

OperatorDescriptionExample A=2, B=10
+Adds two operands A + B will give 12
-Subtracts second operand from the first A - B will give -8
*Multiply both operands A * B will give 20
/Divide numerator by denumerator B / A will give 5
^Exponentiation B ^ A will give 100

Parentheses

It is important to define the order of operations with parentheses. With no order specified VBA handles the operations as in normal arithmatic. Examples:

6 + 4 * 7 – 3 equals  6 + 28 – 3 (since multiplication goes first) gives 31. (6 + 4) * (7 – 3)    is 10 * 4 gives 40. ((6 + 4) * 7)) – 3   is 10 * 7  - 3 gives 67.

In code

Numerical variable types

Variable types for numerical data are Integer, Long, Single, Double, Currency. The difference between all these numerical data types is how many digits they can hold, and whether or not you want a decimal point. The variable types for Whole numbers are Integer and Long:

Integer: all numbers between 32,767 and -32,768. Long: all numbers between 2,147,483,647 and -2,147,483,648.

For greater precision you can use As Single and As Double. The difference is how many digits they can hold: Single 4 bytes of data, Double 8.

Divisions and round

In this example Answer is set as Integer. If you try to set to a fraction, the number is rounded up or down to the nearest integer value. If the number is equally close to two integer values, the value is rounded to the nearest even integer. This behavior minimizes rounding errors that result from consistently rounding a midpoint value in a single direction. The following code shows examples of rounding.

The \ operator - backslash - does integer division.

A related operator is the MOD operator. It returns the remainder. Examples:

 http://zo-d.com/blog/archives/programming/vba-integer-division-and-mod.html

Possiblities to show the Answer

Sours: https://www.codevba.com/learn/basic_calculations_tutorial.htm
Excel VBA: Referring to Ranges \u0026 Writing to Cells (Range, Cells, Offset, Names)

\ Operator (Visual Basic)

Divides two numbers and returns an integer result.

Syntax

Parts


Required. Any numeric expression.


Required. Any numeric expression.

Supported Types

All numeric types, including the unsigned and floating-point types and .

Result

The result is the integer quotient of divided by , which discards any remainder and retains only the integer portion. This is known as truncation.

The result data type is a numeric type appropriate for the data types of and . See the "Integer Arithmetic" tables in Data Types of Operator Results.

The / Operator (Visual Basic) returns the full quotient, which retains the remainder in the fractional portion.

Before performing the division, Visual Basic attempts to convert any floating-point numeric expression to . If is , a compiler error occurs. If is , an OverflowException is possible if the value is outside the range of the Long Data Type. The conversion to is also subject to banker's rounding. For more information, see "Fractional Parts" in Type Conversion Functions.

If or evaluates to Nothing, it is treated as zero.

Attempted Division by Zero

If evaluates to zero, the operator throws a DivideByZeroException exception. This is true for all numeric data types of the operands.

Note

The operator can be overloaded, which means that a class or structure can redefine its behavior when an operand has the type of that class or structure. If your code uses this operator on such a class or structure, be sure you understand its redefined behavior. For more information, see Operator Procedures.

Example

The following example uses the operator to perform integer division. The result is an integer that represents the integer quotient of the two operands, with the remainder discarded.

The expressions in the preceding example return values of 2, 3, 33, and -22, respectively.

See also

Sours: https://docs.microsoft.com/en-us/dotnet/visual-basic/language-reference/operators/integer-division-operator

Divide vba

Dividing

VBA is unusual in that it provides two division operators, one for decimal division and one for integer division.



Any time you use the floating-point division operator (/), you're performing floating-point division, and your return value will be of type Double.
This is true whether your dividend and divisor are integer, floating-point, or fixed-point values. It's true whether or not your result has a decimal portion.
For example, running the following code from the Immediate window prints "Double":


? TypeName(2.34/5.9)


So does this code, even though the result is an integer:


? TypeName(9/3)


Since all floating-point division returns a floating-point value, you can't ever be certain that your result is accurate to every decimal place, even if you're performing division on Decimal or Currency values. There will always be an inherent possibility of rounding errors, although they're likely to be small.
If you're dividing integers, or if you don't care about the decimal portion of the result, you can use the integer division operator (\).
Integer division is faster than floating-point division, and the result is always an Integer or Long value, either of which requires less memory than a Double value.


For example, running this code from the Immediate window prints "Integer":
? TypeName(9\3)


More

The division operator here is taking an integer value and dividing by a decimal.

Dim n as double
n = 19.333333
MsgBox CInt( n * 4 ) / 4

The forward slash (/) returns a floating point answer
12 / 5 = 2.4
The answer is returned as a Double.
If you are assigning the result to an Integer, the decimal part will be lost.
This must be explicitely cast if Option Strict is turned on since this is a narrowing cast.


This operator divides one number by another and the datatype that is returned depends on the types of values.
This is an explicit widening conversion.

10 / 3 will be a single


Fractional Parts

When you convert a nonintegral value to an integral type, the integer conversion functions (CByte, CInt, CLng, CSByte, CShort, CUInt, CULng, and CUShort) remove the fractional part and round the value to the closest integer.
If the fractional part is exactly 0.5, the integer conversion functions round it to the nearest even integer. For example, 0.5 rounds to 0, and 1.5 and 2.5 both round to 2.
This is sometimes called banker's rounding, and its purpose is to compensate for a bias that could accumulate when adding many such numbers together.



CInt and CLng differ from the Int and Fix functions, which truncate, rather than round, the fractional part of a number.
Also, Fix and Int always return a value of the same data type as you pass in.



Floating-Point Imprecision

When you work with floating-point numbers, remember that they do not always have a precise representation in memory. This could lead to unexpected results from certain operations, such as value comparison and the Mod operator.
https://msdn.microsoft.com/en-us/library/ae382yt8.aspx





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Sours: https://bettersolutions.com/vba/numbers/dividing.htm
Excel VBA: Referring to Ranges \u0026 Writing to Cells (Range, Cells, Offset, Names)

VBA - Arithmetic Operators



Following arithmetic operators are supported by VBA.

Assume variable A holds 5 and variable B holds 10, then −

OperatorDescriptionExample
+Adds the two operandsA + B will give 15
-Subtracts the second operand from the firstA - B will give -5
*Multiplies both the operandsA * B will give 50
/Divides the numerator by the denominatorB / A will give 2
%Modulus operator and the remainder after an integer divisionB % A will give 0
^Exponentiation operatorB ^ A will give 100000

Example

Add a button and try the following example to understand all the arithmetic operators available in VBA.

Private Sub Constant_demo_Click() Dim a As Integer a = 5 Dim b As Integer b = 10 Dim c As Double c = a + b MsgBox ("Addition Result is " & c) c = a - b MsgBox ("Subtraction Result is " & c) c = a * b MsgBox ("Multiplication Result is " & c) c = b / a MsgBox ("Division Result is " & c) c = b Mod a MsgBox ("Modulus Result is " & c) c = b ^ a MsgBox ("Exponentiation Result is " & c) End Sub

When you click the button or execute the above script, it will produce the following result.

Addition Result is 15 Subtraction Result is -5 Multiplication Result is 50 Division Result is 2 Modulus Result is 0 Exponentiation Result is 100000

vba_operators.htm

Sours: https://www.tutorialspoint.com/vba/vba_arithmetic_operators.htm

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Introduction | Example | Tutorial | Applications

Introduction - VBA Backslash

Using a backslash (\) instead of a forward slash (/) to divide two numbers in VBA will divide the numbers but will round the quotient and return an integer solution.

Well, that’s not entirely true… The backslash operator will always return an integer, but it doesn’t round the quotient. It actually rounds the two numbers you’re dividing first and then truncates the quotient. It rounds the two numbers you’re dividing using Banker’s Rounding. In this manner, it behaves much like the VBA Mod operator.

Let’s drive that point home with an example.


Example - VBA Backslash

VBA Integer Division


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Tutorial - VBA Backslash

Explaining how Integer Division works in VBA

This example proves that the backslash operator doesn’t just round the final answer. When you normally divide 10.5 by 3.5, you get a 3. You would expect the integer division method to produce a quotient of 3, as well, right?

That’s not what happens. Since the \ operator divides the two numbers first, and it does so with Banker’s Rounding where each number is rounded to the nearest even number, you’re actually dividing the number 10 by the number 4.

10 divided by 4 is 2.5, which you would also think would round to 3, but again that’s not what happens! Integer division doesn’t ever round your final answer. It truncates it.

Let’s look at another example where we divide 11 by 4 using regular division, and again using the backslash (\) integer division.

The quotient 2.75 will surely round up when using integer division, right? Nope! It’s truncated to 2.


Application Ideas

I can’t tell you how many times I’ve forced the quotient of my division to an integer using the VBA Round Function or the VBA CInt Function. All this time I could have just used a backslash when I divided and it’d automatically happen for me!

Of course, you’ve still gotta be careful and recognize how integer division works to make sure it produces the desired results in your spreadsheet.

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Sours: https://wellsr.com/vba/2018/excel/integer-division-with-vba-backslash-operator/


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