ARGH STUPID TI-89!! WHY CAN'T YOU DIFFERENTIATE RIGHT!

[beer]

I am so sick of the "warning: may produce false equation" when I enter an equation I want to differentaite that uses complex trig functions. It COMPLETELEY undermines my faith in the calculator when it can't even differentiate f(x) = 5x*csc(X)

It's so simple, I can do it by hand in a matter of moments, yet the 89 always gives me this stupid warning.

I hope they fix this.

 

[LordJezo]

did you type it in right?

 

[ttn1]

If you can do it by hand, why waste your time with a calculator.

Calculators, and computers for that matter, can be a huge waste of time if you let them.

Have faith in your knowledge of mathematics and quit relying on a silly calculator to do it for you. You'll be better for it.

ttn1

 

[iamwiz82]

<< If you can do it by hand, why waste your time with a calculator.

Calculators, and computers for that matter, can be a huge waste of time if you let them.

Have faith in your knowledge of mathematics and quit relying on a silly calculator to do it for you. You'll be better for it.

ttn1 >>



Calculator = 30 seconds

By hand - 2-3 minutes.

Calculator is faster, and, therefore, saves time. Personally, i freakin hate differentiation, and would rather a processor do it for me