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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
9 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
9 years ago

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

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