How Do You Calculate Error in Logarithms?

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SUMMARY

The discussion focuses on calculating the error in logarithmic values, specifically using the example of the value 2.6 ± 0.1. The correct approach involves applying the logarithmic properties to the given range, where the logarithm of the lower bound (2.6 - 0.1) and the upper bound (2.6 + 0.1) are computed. The user successfully calculates log(2.6) as approximately 1.176 and is guided to find the error by evaluating log(2.5) and log(2.7) to determine the range of the logarithmic value.

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swetha767
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hi
i want to knw the formula to find error in log

for example they give me a value of 2.6 +or- 0.1

now they say log this value and give the error

i log it and i get 1.176 ok but now how to find the error in log

i knw there is a formula but i forget it
 
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You can always try log(2.6-0.1) and log(2.6+0.1) to check.
 

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