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#1
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Formulas
Hi. I have been trying to get my head around some formulas and it has been
driving me crazy (yea, one of them beginners, me!!) Basically, I need to add numbers from a range of cells, but do not want the result to exceed a certain value. For example, I want the sum of cells A1, A2, A4, B5 & B6 to be displayed in cell C15, however, if the sum is more than 128, it pops up with an error box asking me to re-evaluate the numbers I have entered in the cells to be calculated. I need to use this to send to my clients to fill in the numbers and send back to me, so I also want to know if it is possible to protect the formulas entered, even if they save it as another file. Any help really, really appreciated. Cheers Ken |
#2
Posted to microsoft.public.excel.worksheet.functions
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Formulas
KenNZ Wrote: Hi. I have been trying to get my head around some formulas and it has been driving me crazy (yea, one of them beginners, me!!) Basically, I need to add numbers from a range of cells, but do not want the result to exceed a certain value. For example, I want the sum of cells A1, A2, A4, B5 & B6 to be displayed in cell C15, however, if the sum is more than 128, it pops up with an error box asking me to re-evaluate the numbers I have entered in the cells to be calculated. I need to use this to send to my clients to fill in the numbers and send back to me, so I also want to know if it is possible to protect the formulas entered, even if they save it as another file. Any help really, really appreciated. Cheers Ken Hi Ken For the formula try this =IF(A1+A2+A4+B5+B6128,"ERROR",A1+A2+A4+B5+B6) To protect the formulas select cell C15 and use Format Cells Protection Tab and make sure the Locked box is checked, for the cells where you want data enterred make sure the Locked box is not checked, then Tools Protection Protect Sheet, with or without a password -- Paul Sheppard ------------------------------------------------------------------------ Paul Sheppard's Profile: http://www.excelforum.com/member.php...o&userid=24783 View this thread: http://www.excelforum.com/showthread...hreadid=486078 |
#3
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Hi Paul,
Thanks very much for your reply. The protection advice works great. Not sure about the formula, though. Basically, what I want is a pop-up alert to be shown when they try and enter more numbers into the cells after the limit of 128 (sum) is reached. How do I do this? This sheet is for an electrical lighting plan where clients put the number of circuits in each room, but the circuits cannot exceed 128. Effectively, once they have reached a total of 128 circuits, they get a pop up message asking them to re-evaluate their circuits or give us a call. How do I do this? "Paul Sheppard" wrote: KenNZ Wrote: Hi. I have been trying to get my head around some formulas and it has been driving me crazy (yea, one of them beginners, me!!) Basically, I need to add numbers from a range of cells, but do not want the result to exceed a certain value. For example, I want the sum of cells A1, A2, A4, B5 & B6 to be displayed in cell C15, however, if the sum is more than 128, it pops up with an error box asking me to re-evaluate the numbers I have entered in the cells to be calculated. I need to use this to send to my clients to fill in the numbers and send back to me, so I also want to know if it is possible to protect the formulas entered, even if they save it as another file. Any help really, really appreciated. Cheers Ken Hi Ken For the formula try this =IF(A1+A2+A4+B5+B6128,"ERROR",A1+A2+A4+B5+B6) To protect the formulas select cell C15 and use Format Cells Protection Tab and make sure the Locked box is checked, for the cells where you want data enterred make sure the Locked box is not checked, then Tools Protection Protect Sheet, with or without a password -- Paul Sheppard ------------------------------------------------------------------------ Paul Sheppard's Profile: http://www.excelforum.com/member.php...o&userid=24783 View this thread: http://www.excelforum.com/showthread...hreadid=486078 |
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