## Calculate hours different employers

189 Views 2 Replies Latest reply: Jan 18, 2013 5:28 AM by Ralph Verdult
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Currently Being Moderated
Jan 18, 2013 3:38 AM

Hello,

I use Numbers to keep track of the hours I spend for my different employers. It looks like the table below.How do I calculate the total amound of each employer, so I can create a little table like the second table below here, so I can make a pie chart out of that.

DateEmployerSubject

Hours

01-01-2013A......6
02-01-2013B.....5
03-01-2013C.....4
04-01-2013C.....5
05-01-2013A.....6

EmployerTotal hours
A....
B....
C....
D....

Regards, Ralph

Mac OS X (10.6.8)
• Level 7 (28,195 points)
Currently Being Moderated
Jan 18, 2013 4:12 AM (in response to Ralph Verdult)

Ralph,

Your situation calls for the SUMIF function.

SUMIF

The SUMIF function returns the sum of a collection of numbers, including only numbers that satisfy a specified condition.

SUMIF(test-values, condition, sum-values)

• test-values:  The collection containing the values to be tested. test-values is a

collection containing any value type.

• condition:  An expression that results in a logical TRUE or FALSE. condition is an expression that can contain anything as long as the result from comparing condition to a value in test-values can be expressed as a Boolean value of TRUE or FALSE.
• sum-values:  An optional collection containing the numbers to be summed. sum- values is a collection containing number, date/time, or duration values. It should have the same dimensions as test-values.

Let's say your first table is named "WorkLog". The formulas in the Total Hours column would be:

= SUMIF(WorkLog::B, A, WorkLog::D)

It says: look for rows where the content of WorkLog column B is the same as the content of column A in the table row where this expression is, and add the content of WorkLog column D to the SUM.

Regards,

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