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#### hp12345

##### New member

- Aug 6, 2012

- 10

I have been solving pH problems since last 2 days but the problem is that I don't know any method to calculate logarithms without using calculators,so anybody can spare few minutes to show me how to calculate(estimate in general sense) common logarithms ?

[to mod-I wasn't sure where to put that so please move it if thread is in the wrong place ]