Specific Number Of Significant Digits

Nov 3, 2007

Does anybody know of a special format or a rounding function that displays or rounds a number off to a specific number of significant digits.

Lets say I would like 3 significant digits this would be the results:

0.40019 -> 0.400
6.543 -> 6.54
12.543 -> 12.5
32 -> 32.0
564.7894 -> 565
54387 -> 54400 (or 5.44E+4 to be correct, but i can live with 54400)

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Significant Digits

Aug 24, 2008

I have a column of numbers, all with varying numbers of digits. I want to make them all have only 4 DIGITS in total (regardless of where the decimal is located... so there could be 4,3, 2, 1,or, 0 decimal places). I just want to make everything the same number of digits.

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Aug 23, 2007

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I entered exactly 113,876.92 in cell L16 I entered exactly 113,390.02 in cell L17 I entered =L16-L17 in cell L18 L18 incorrectly shows the result at 486.9000000000009000 (note the extra "9" after the 11 zeros). When I expand the viewable digits on L16 and L17, they have ALL zeros after the cents. (I went out at least 25 digits). I can't be the first one encountering this.

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Feb 12, 2009

I wrote an excel program in Excel'03 for a dental office to manage state assistance patients and one of the table columns is the state assistance number. The problem is that the program defaults to a number format when it is entered instead of a text format, which is what I want. The issue is that state assistance numbers are always 8 digits and when it defaults to a number field the program drops the required preceeding zeros.

For example the number 00123456 will sometimes show up as 123456, which is wrong. It's like sometimes it will show up right and other times it gets a butterfly in its brain and deletes those zeros irritating the receptionist here. So, how do I get the table to either stay in text format or set up a number format that keeps the preceeding zeros?

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I tried to do the same using wild card, and left function but didn't get the desired output.

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Nov 21, 2012

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13
1
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I need to calculate the sum of digits in a numeric string. The function should keep on adding the digits of each result, till the final sum is a single digit. Please refer to the following example and result expected:-

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as you can see in the picture;

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Feb 20, 2008

I would like a function that checks an input number to see if it contains unique digits. If the digits are unique the output is 1 else the output is -1. Thus, supposing we call the function UNIQ(), we find UNIQ(15423) = 1 but UNIQ(154532) = -1. The input is always a positive integer.

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Jun 13, 2008

I have problems in PASTING my 19 digit number from the source report into excel.

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What I want the format to be is not in scientfic and have to be full display.

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Jun 1, 2009

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Mar 5, 2014

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Mar 4, 2009

I am wanting to create a VB script that will take a number (in general format) of two or three digits, convert it to text, then make sure that there are enough zeros preceeding the number to make exactly 6 digits. Examples of the initial number (before the macro is run) and the final number (after it is run): ..

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Oct 17, 2011

I have in my cell a number, namely, 5260007005020024100055040300004110000000

What I would like to do is extract a set of digits from it,

Starting from the second 2, and shown here in the dots. I need all of the numbers in a separate cell, "52600070050200 .24100055.. 040300004110000000"

Hope this is clear. bearing in mind the number will remain as one so I would need to start at 14 then using LEN or something I'm not sure, extract the following 8 into another cell.

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Nov 20, 2012

I have a large file with cells filled with text (converted from a database, imported into Excel). The text is in rows of column A and always contains a 16 digit number, which is what I need. I am able to clean up this text and show only this number, but then Excel shows the last digit as a '0'.

An example of the text I need to filter the 16-digit number from: GIRO 6838657 K MAHMODBETALINGSKENM. 7062542158461684 STORNOADMINISTRATIEVE REDEN 1 ZIE DE TOEGEZONDEN KENNISGEVINGVAN VERHAAL OF CJIC.NL/VZD

I've altered some of the information in here so this is fake. The text is messy but all I need is the number.

This is the macro I use to clean up the text and leave only the 16 digit number:

Sub CleanUp
Dim e As Variant
With CreateObject("VBScript.RegExp")

[Code].....

It sort of works, but when I run it, I get this number as a result: 7062542158461680 (last digit is changed into a zero).

I've been trying to insert this line into the macro but it doesn't work: Columns("A:A").NumberFormat = "@"

How do I change the outcome of this macro into the actual number?

If this is impossible to do, I can also manage if there is a way to filter only the last 9 digits from the 16 digit number. I can work with that, too.

I use Excel XP (2002) at work.

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Sep 20, 2013

counting some room numbers that meet a specific criteria. For example:

Let's say i have room numbers

1233
1234
569
2148
3422

I need to count the room numbers which the last two digits are greater than 40.

So far I have tried to separate the last two by using the Right formula but then when I try to use countif, it doesn't work as I guess that the result of the extraction comes back a a text value

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Apr 13, 2014

I am working on my project for VBA and I need to make a program for Large Factorials sch as 25!, which is too big to fit as a Long-integer. I basically have to find a way around this by storing the numbers as arrays F() and C(). Array F is for the multiplication of each cell of memory, and C is for the carries, which will later be added. I need to separate the hundreds, tens and units of each multiplication.

To Further explain, lets say I have 12!; to find this I would take the previously calculated 11! (by using a loop) and multiply 12 by each memory cell of the array F(). So it's kind of like multiplying by hand, you bring down the units and put the carries on top to be added later. I would store the carries as one or two memory locations over of the current I, or the current loop number. So the units of the mult. would be stored as F(I), the tens would be carried and stored as C(I+1), and the hundreds would also be carried, but this time two cells over, so C(I+2)

The main problem I have is finding the proper code to split the number into units, tens, and hundreds, and then assigning them to their appropriate memory cells within their respective arrays.

Here's what I have so far:

Code:
Dim F(1 To 30), C(1 To 30), N As Integer, Fact As Long, Length As Integer, space As Integer
Sub LargeFactorialCalc()
Open "F:project.txt" For Output As #1

F(1) = 1
N = InputBox("Enter the number you would like to take the factorial of: ")

[Code] .......

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May 26, 2006

I have 4 and 5 digit numbers. For the 4 digit numbers, I want to be able to distinguish between the numbers by the last digit. For the 5 digit numbers, I want to be able to distinguish between the numbers by the last two digits.

Example: For 4 digit numbers, I would like to do something with all numbers ending in 1, 2, 3, 4, 5, 6, 7, and 8. For 5 digit numbers, I would like to do something with numbers ending in 10, 11, 12, 20, 21, etc.

The first step in being able to do this, I guess is distiguishing between 4 and 5 digit numbers, which I know can be done by the number lenght. However, the second part of looking at the last digit or the two last digits I don't know how to do.

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