Orion TI-
30XS MultiView™ User’s Guide - User guide
Version 1.0
Orbit Research
Confidential and Proprietary Information
37
clear
,
15
,
down arrow, clear
,
3
,
down arrow, down arrow,
enter
Result = x=15
After searching close to
x
= 18, the point (18, 324) appears to be the vertex of the
parabola since it appears to be the turning point of the set of points of this
function. To search closer to
x
= 18, change the Step value to see points closer
to (18, 324).
Problem
A charity collected $3,600 to help support a local food kitchen. $450 will be given
to the food kitchen every month until the funds run out. How many months will
the charity support the kitchen?
Reminder: If
x
= months and
y
= money left, then
y
= 3600 - 450
x
.
table
,
3600
,
−
,
450
,
[Xabcyzt]
Result = y=3600-
450x
enter
,
0
,
down arrow
,
1
,
down arrow, right arrow, enter,
down arrow, enter
Result = Ask-x OK
Input guesses,
enter
Result = x=8
The support of $450 per month will last for 8 months since
y
(8) = 3600 - 450(8) =
0 as shown in the table of values.
3.27 Errors
When the TI-30XS calculator detects an error, it returns an error message with
the type of error.
To correct the error, note the error type and determine the cause of the error. If
you cannot recognize the error, use the following list, which describes error
messages in detail.
Press
clear
to clear the error message. The previous screen is displayed with the
cursor at or near the error location. Correct the expression.
ARGUMENT
A function does not have the correct number of arguments.
DIVIDE BY 0
•
You attempted to divide by 0.
•
In statistics,
n
= 1.
DOMAIN
You specified an argument to a function outside the valid
range. For example: