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How to calculate log and antilog in mind ?

How to calculate log and antilog in mind ?

Grade:11

2 Answers

Akash Kumar Dutta
98 Points
10 years ago

Dear Akshay,
its very easy...
make it nearest to the whole integer power..and then apply approximations,
the values are not 100% correct but are 70% correct.
eg,

log 129= log 100 + 29 ~ 2.12(approx)
similarly do for antilog,
Its more good if you see the tables.

Regards.

Prajwal kr
49 Points
10 years ago

If you can memorise the values of log and antilog tables.

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