Locking range in SUM

[timsantiago]

I am trying to sum 20 columns [say SUM(A1:T1)], but would like to lock the A1:T1 range when I insert more columns {this would bump the original column T value out of the equation, which is fine}. Is there a way to lock the formula, so if I add more columns, it doesn't update the formula to read SUM(A1:U1), for example? Thanks
Tim

[Bob Phillips]

=SUM(INDIRECT("A1:T1"))

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HTH

RP
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"timsantiago" <timsantiago.1ygata_1131911400.7731@excelforum-nospam.com>
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>
> I am trying to sum 20 columns [say SUM(A1:T1)], but would like to lock
> the A1:T1 range when I insert more columns {this would bump the
> original column T value out of the equation, which is fine}. Is there a
> way to lock the formula, so if I add more columns, it doesn't update the
> formula to read SUM(A1:U1), for example? Thanks
> Tim
>
>
> --
> timsantiago
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