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#1
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Time subtraction
I need to have a formula that will show how much battery run time I left.
A1 is Battery run time = 40.5 hours B1 is time batteries started = 12:55 AM C1 is time on batteries, =NOW()-B2 D2 will be the battery run time left. I have tried formatting in several different modes, always coming up wrong. |
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#2
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Time subtraction
Try C1: =MOD(NOW(),1)-B1
you don't need D2 then -- __________________________________ HTH Bob "Dgwood90" wrote in message ... I need to have a formula that will show how much battery run time I left. A1 is Battery run time = 40.5 hours B1 is time batteries started = 12:55 AM C1 is time on batteries, =NOW()-B2 D2 will be the battery run time left. I have tried formatting in several different modes, always coming up wrong. |
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#3
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Time subtraction
=A1/24-C1
For C1 to give you the time on batteries, B2 will need to be a date and time, so that you can subtract it from NOW() -- David Biddulph "Dgwood90" wrote in message ... I need to have a formula that will show how much battery run time I left. A1 is Battery run time = 40.5 hours B1 is time batteries started = 12:55 AM C1 is time on batteries, =NOW()-B2 D2 will be the battery run time left. I have tried formatting in several different modes, always coming up wrong. |
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#4
Posted to microsoft.public.excel.worksheet.functions
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Time subtraction
"David Biddulph" wrote: =A1/24-C1 For C1 to give you the time on batteries, B2 will need to be a date and time, so that you can subtract it from NOW() -- David Biddulph "Dgwood90" wrote in message ... I need to have a formula that will show how much battery run time I left. A1 is Battery run time = 40.5 hours B1 is time batteries started = 12:55 AM C1 is time on batteries, =NOW()-B2 D2 will be the battery run time left. I have tried formatting in several different modes, always coming up wrong. |
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