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Calculator Community => TI Calculators => Topic started by: Kyle Kelly on October 01, 2019, 10:46:38 am

Title: How does "Convert Expression" feature work on the nspire CX CAS?
Post by: Kyle Kelly 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?

Title: Re: How does "Convert Expression" feature work on the nspire CX CAS?
Post by: Xeda112358 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!

Title: Re: How does "Convert Expression" feature work on the nspire CX CAS?
Post by: Kyle Kelly on October 01, 2019, 11:10:20 am

Quote from: Xeda112358 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!

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