ATAR Notes: Forum

VCE Stuff => VCE Mathematics => VCE Mathematics/Science/Technology => VCE Subjects + Help => VCE Mathematical Methods CAS => Topic started by: username on November 08, 2008, 10:46:26 am

Title: Ugh! Calculator help?
Post by: username on November 08, 2008, 10:46:26 am
How do I put in Y1, X1 and stuff into the main screen? I can't find the buttons!! :(
Title: Re: Ugh! Calculator help?
Post by: cara.mel on November 08, 2008, 10:47:07 am
Which calculator do you have?
Title: Re: Ugh! Calculator help?
Post by: username on November 08, 2008, 10:48:10 am
TI-84 :(
Title: Re: Ugh! Calculator help?
Post by: dusty_girl1144 on November 08, 2008, 10:54:32 am
Quote from: username on November 08, 2008, 10:48:10 am
TI-84 :(

y1 : Vars, y - vars , function y
x1 : for  what are u useing this for?
Title: Re: Ugh! Calculator help?
Post by: hamtarofreak on November 08, 2008, 11:01:32 am
Parametric function variables are in VARS->2:Parametric
That's for stuff like X1T
Title: Re: Ugh! Calculator help?
Post by: onlyfknhuman on November 08, 2008, 11:10:54 am
Quote from: hamtarofreak on November 08, 2008, 11:01:32 am
Parametric function variables are in VARS->2:Parametric
That's for stuff like X1T

what the hell is that lol
Title: Re: Ugh! Calculator help?
Post by: Captain on November 08, 2008, 11:12:54 am
Quote from: onlyfknhuman on November 08, 2008, 11:10:54 am
Quote from: hamtarofreak on November 08, 2008, 11:01:32 am
Parametric function variables are in VARS->2:Parametric
That's for stuff like X1T

what the hell is that lol

Don't worry, That's specialist.  Not methods.
Title: Re: Ugh! Calculator help?
Post by: dusty_girl1144 on November 08, 2008, 11:14:22 am
Quote from: Captain on November 08, 2008, 11:12:54 am
Quote from: onlyfknhuman on November 08, 2008, 11:10:54 am
Quote from: hamtarofreak on November 08, 2008, 11:01:32 am
Parametric function variables are in VARS->2:Parametric
That's for stuff like X1T

what the hell is that lol

Don't worry, That's specialist.  Not methods.


EHHH WHAT THE HELL??? specialist... why have i seen this before? :(
Title: Re: Ugh! Calculator help?
Post by: Captain on November 08, 2008, 12:48:21 pm
Quote from: dusty_girl1144 on November 08, 2008, 11:14:22 am
Quote from: Captain on November 08, 2008, 11:12:54 am
Quote from: onlyfknhuman on November 08, 2008, 11:10:54 am
Quote from: hamtarofreak on November 08, 2008, 11:01:32 am
Parametric function variables are in VARS->2:Parametric
That's for stuff like X1T

what the hell is that lol

Don't worry, That's specialist.  Not methods.


EHHH WHAT THE HELL??? specialist... why have i seen this before? :(

For a parametric equation, you have:
r(t)=x(t)i+y(t)j

To graph these on your calculator, you put it in parametric mode, go to the y= editor, and type in your information x(t) and y(t).  And it will sketch.

I can't really see a use of using these functions, in any calculations on your calculator, though.
Title: Re: Ugh! Calculator help?
Post by: dusty_girl1144 on November 08, 2008, 06:10:08 pm
Quote from: Captain on November 08, 2008, 12:48:21 pm
Quote from: dusty_girl1144 on November 08, 2008, 11:14:22 am
Quote from: Captain on November 08, 2008, 11:12:54 am
Quote from: onlyfknhuman on November 08, 2008, 11:10:54 am
Quote from: hamtarofreak on November 08, 2008, 11:01:32 am
Parametric function variables are in VARS->2:Parametric
That's for stuff like X1T

what the hell is that lol

Don't worry, That's specialist.  Not methods.


EHHH WHAT THE HELL??? specialist... why have i seen this before? :(

For a parametric equation, you have:
r(t)=x(t)i+y(t)j

To graph these on your calculator, you put it in parametric mode, go to the y= editor, and type in your information x(t) and y(t).  And it will sketch.

I can't really see a use of using these functions, in any calculations on your calculator, though.


yea thats what i thought. coz if u have sin and cos stuff... pretty easy to convert. ur other option is rearranging anf subbing. so i wont bother tryin to use the calc :P

but ty for explaination neway