Can divide by zero or infinity during the calculation be taken as zero?

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I am calculating S1=log10(1/A1) and sum all the Si where in some cases I get A=0 which leads to inf, making the final summation a problem. I used IFERROR command in MS Excel to avaoid 1/0 and assign it any other value I want as I can assign it zero to avoid porblem in summation. Kindly help How can I set S1 to zero if its an infinity.
Thanks in advance for the help.

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Cris LaPierre
Cris LaPierre 2020 年 9 月 1 日
You could use the isinf function.
S1(isinf(S1)) = 0;
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Atique Khan
Atique Khan 2020 年 9 月 2 日
Thanks a lot

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