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Topics - creeras

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1
General Calculator Help / [TI-nspire] Is it possible to display complex number a+bi as form of (b,a)?
« on: December 03, 2019, 06:38:00 am »


Is it possible to display complex number result a+bi as form of (b,a) like attatched picture?

I've changed document settings so many ways but failed to make same result form.

And only was possible to make
(Rectangular) a+bi
(Polar) (r∠degree) or (e^(i*radian))*r

Please let me know the way.

2
General Calculator Help / Battery Problem. Calc is always on charging. Is it bad?
« on: September 28, 2014, 10:40:50 pm »
I plugged NSPIRE CX CAS(3.2.3.1233) on via Laptop USB port.
It is plugged all the time.



Laptop is turned off during night and sometimes during daytime.


Maybe calc is on charged about 10 to 14 hours for a day.
So battery is 100% all the time.




I have three questions.


1. Is it a bad habit for rechargable battery?


2. Is it recommended to get rid of battery and to use via USB (or wall charger) power
if the calc is always plugged?
(and which is better between USB and Wall charger?)


3. calibration(full discharge to 5%) is necessary for TI calc too?
http://batterycare.net/en/guide.html



3
General Calculator Help / Nspire usage, csolve() question
« on: September 25, 2014, 11:09:46 pm »

I'm usung nspire cx cas (firmware 3.2.3.1233)





I want below answer.


Is there no way to use upper original expressions?
(expand() fuction wasn't helpful.)


4
TI Calculators / Nspire TP get into hibernate too often
« on: September 22, 2014, 07:47:02 pm »
Model : Nspire TP 3.2.0.1212. (white-black color)




Problem :
Quote
1. Set HH Setup Hibernate : 5 Days
2. Power off(=ctrl+on) the calc at night.
3. Next morning clicking power on button, booting progress bar show up
(doesn't it means calc was hibernate mode?)

I thought it is because of the battery was out.
So replaced AAA 4 alkaline batteries all to new ones.


But the problem was not solved.




Only when setting it to 'hibernate : NEVER',
Problem(Booting Progress Bar) doesn't shows up.



Is it the only solution??






P.S)
1. No other problem without it


2. I used smartphone rechargable battery for calc 1 years ago.
http://www.omnimaga.org/other-calculator-discussion-and-news/the-first-ti-nspire-powered-by-a-nintendo-ds-lite-battery-pack!/

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