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CAS Simplify(log10) always changes to LN
06-25-2018, 06:19 AM (This post was last modified: 06-25-2018 06:19 AM by Stevetuc.)
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RE: CAS Simplify(log10) always changes to LN
(06-21-2018 06:50 PM)scropsey Wrote:  Is there a way to have the CAS simplify result in the base that is used?

Every expression I have tried changes the base to LN.

Example: simplify ( log10(2) + log10(6) ) results in (LN(2) + LN(6))/(LN(2) + LN(5))

I am looking to use it as a way to introduce/reinforce the properties of logs.

It does seem to be deficient if not a bug that it simplifies by converting log10 to ln.

Until this is fixed, you can show the log properties more directly if you work in natural logs

Ie simplify(ln(2)+ln(6)) results in ln(12)

It really should be able to do the same for log10 though!
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RE: CAS Simplify(log10) always changes to LN - Stevetuc - 06-25-2018 06:19 AM



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