### Author Topic: How does "Convert Expression" feature work on the nspire CX CAS?  (Read 4431 times)

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#### Kyle Kelly

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##### How does "Convert Expression" feature work on the nspire CX CAS?
« on: October 01, 2019, 10:46:38 am »
I'm working with logarithms and I need to be able to convert them to different forms (exponential, natural log, etc) but every time I try to convert an expression I just get the answer "true" and it doesn't actually convert the expression.

for example, determine the equivalent exponential equation of this logarithmic equation:

log6 1296 = 4 which should be 64 = 1296

another example, write the following equation in exponential​ form: log9 x = 2 which should be 92 = x

Surely there's a way for the calculator to do this and I'm positive this is the feature that would do it but I don't understand how it works, could someone possibly explain whats going on?

#### Xeda112358

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##### Re: How does "Convert Expression" feature work on the nspire CX CAS?
« Reply #1 on: October 01, 2019, 11:00:13 am »
I think you want a solve( command. I don't have my nspire on me and won't for a while so I can't tell you how to use solve( on the nspire, but good luck!

#### Kyle Kelly

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##### Re: How does "Convert Expression" feature work on the nspire CX CAS?
« Reply #2 on: October 01, 2019, 11:10:20 am »
I think you want a solve( command. I don't have my nspire on me and won't for a while so I can't tell you how to use solve( on the nspire, but good luck!

Solve just gives me the solution, but it doesn't actually show the expression in the converted form which is what I need.