Using same cell twice in one formula

Example: (B2+B3)*(B2/B4)
If I want to use B2 twice in the same formula, numbers does not accept the second entry of B2. Any solution to this irritating problem?

Geert,
If you are clicking on cells to enter them as references in an expression, you must hold down the Command (Apple) key if you want to enter (click on) the same cell a second time in the same expression. Of course you are always able to type the reference into the Formula Bar entry area as many times as you wish without any special gestures.
Jerry

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How to enter the same cell twice in a formula

I am studying environmental engineering. we have a lot of complicated formulas that are long chains. In these formulas I need to reference the same cell many times , the problem is when I click on the cell again all it does is rehighlight that cell earlier in the equation. When I do this in excell it works fine. If i type the cell in it works but this can be a hassle. I like working in Iwork because the charts and graphs are nicer but I seem to be finding that some items like this, goal seek, and the fact that you can not extend a polynomiel function forward and back excell is much better than Iwork.

Same question twice in one day. Hold down the command key when selecting it the second time.

Using a cell twice in the same formula

Can I reference the same cell twice in a formula? i.e.. cell-(cell*25%). I was able to do this in Excel but cant seem to find a way in numbers.

i,
Yvan has indicated how to add a second reference to a given cell if you are pointing and clicking to insert your references. You can also always just type the reference into the formula editor and Numbers will not complain.
Jerry

Use same table twice in subform

Hi,
i´ve created a form like this
subformA -> positioned
--subformB -> flowed
table
header
body row
Everything is working fine and a I´m able to see the expected data.
But when my table includes more than 10 rows it destroys the layout of my page.
My idea:
Create a second subform with same table data and place it right beside it. And using FormCalc to show data from row 11 to end.
But only the first subform is filled. There is no data in second subform (FormCalc code is not implemented).
It seems, that I can´t use same tabele twice.
Any ideas?
Regards
Andy

Hi Andy,
Have both the subforms as flowed and page breaked, it should work.
As per as having 2 tables techically i believe its not possible.reason behind.
When you do data binding for 1st table and say multiple rows, at runtime data is iterated and displayed in the 1st table.
when it reaches to the 2nd table the pointer on the table data source is already eof i.e., last record so it will not display it again.
to acheive this on form load of the 2nd table you need to initialize and iterate through the data source again.
I have never tested this scenario but read it in some adobe fourms.
Check it and let me know, if its still not working i can design a sample form with this scenario for you.
Cheers,
Sai

Cost of using subquery vs using same table twice in query

Hi all,
In a current project, I was asked by my supervisor what is the cost difference between the following two methods. First method is using a subquery to get the name field from table2. A subquery is needed because it requires the field sa_id from table1. The second method is using table2 again under a different alias to obtain table2.name. The two table2 are not self-joined. The outcome of these two queries are the same.
Using subquery:
select a.sa_id R1, b.other_field R2,
(select b.name from b
where b.b_id = a.sa_id) R3
from table1 a, table2 b
where ...Using same table twice (table2 under 2 different aliases)
select a.sa_id R1, b.other_field R2, c.name R3
from table1 a, table2 b, table2 c
where
c.b_id = a.sa_id,
and ....Can anyone tell me which version is better and why? (or under what circumstances, which version is better). And what are the costs involved? Many thanks.

pl/sql novice wrote:
Hi all,
In a current project, I was asked by my supervisor what is the cost difference between the following two methods. First method is using a subquery to get the name field from table2. A subquery is needed because it requires the field sa_id from table1. The second method is using table2 again under a different alias to obtain table2.name. The two table2 are not self-joined. The outcome of these two queries are the same.
Using subquery:
Using same table twice (table2 under 2 different aliases)
Can anyone tell me which version is better and why? (or under what circumstances, which version is better). And what are the costs involved? Many thanks.In theory, if you use the scalar "subquery" approach, the correlated subquery needs to be executed for each row of your result set. Depending on how efficient the subquery is performed this could require significant resources, since you have that recursive SQL that needs to be executed for each row.
The "join" approach needs to read the table only twice, may be it can even use an indexed access path. So in theory the join approach should perform better in most cases.
Now the Oracle runtime engine (since Version 8) introduces a feature called "filter optimization" that also applies to correlated scalar subqueries. Basically it works like an in-memory hash table that caches the (hashed) input values to the (deterministic) correlated subquery and the corresponding output values. The number of entries of the hash table is fixed until 9i (256 entries) whereas in 10g it is controlled by a internal parameter that determines the size of the table (and therefore can hold different number of entries depending on the size of each element).
If the input value of the next row corresponds to the input value of the previous row then this optimization returns immediately the corresponding output value without any further action. If the input value can be found in the hash table, the corresponding output value is returned, otherwise execute the query and keep the result combination and eventually attempt to store this new combination in the hash table, but if a hash collision occurs the combination will be discarded.
So the effectiveness of this clever optimization largely depends on three different factors: The order of the input values (because as long as the input value doesn't change the corresponding output value will be returned immediately without any further action required), the number of distinct input values and finally the rate of hash collisions that might occur when attempting to store a combination in the in-memory hash table.
In summary unfortunately you can't really tell how good this optimization is going to work at runtime and therefore can't be properly reflected in the execution plan.
You need to test both approaches individually because in the optimal case the optimization of the scalar subquery will be superior to the join approach, but it could also well be the other around, depending on the factors mentioned.
Regards,
Randolf
Oracle related stuff blog:
http://oracle-randolf.blogspot.com/
SQLTools++ for Oracle (Open source Oracle GUI for Windows):
http://www.sqltools-plusplus.org:7676/
http://sourceforge.net/projects/sqlt-pp/

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For example, I drop the de-interlace filter twice (assuming the exact same settings on the filter) onto the same scene by accident and don't pick up on it later... would that do anything to the quality of the footage?

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Can I use the same picture twice in one book? How?

How?

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Calling the same API twice in one procedure

Has anyone every had any issue in caling an API twice in the one procedure?
I have one file that has two element entries and up to three salary components. Has anyone ever had an issue doing this?
Edited by: 859919 on May 21, 2011 9:26 AM

As my understanding ,There is no any restriction on calling API on number to time either from same procedure or other procedure.
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Using Same Photo Twice (iLife 11 Photobook)

Hi,
I was making a Photobook using iLife '11. I had the photos selected and used one for the cover picture. I went to use the photo again later in the book but was unable to. Has anyone else experienced this and if so, any solutions ??
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No - I have done it in previous versions and it works just fine
And I just did it in '11 with no problem - how are you trying to do it and what happens?
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Using same photo twice in book w/ iPhoto6

I want to use a photo on the cover that I have used inside my book. Is there a way to do this without making a duplicate and therefore importing a copy into my Library? Seems that I saw that there was an easy way to do this at some point.

No. You'll have to make a duplicate. That was changed in iPhoto 7.
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Is there a way to create aliases for formulas without using other cells?

I have long formulas in certain cells, that consist of a bunch of smaller formulas that I re-use in multiple cells. Is there a way to create an alias for a formula (or create my own function) that I can then piece together into one big formula? I think I can use another cell to drop the formula in, but that just clutters up the spreadsheet.
Message was edited by: David Powers

David,
it looks like you can't define own formulas or create aliases for formulas.

Using same cell twice in one formula

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