Finding Y(X) At A Specified Point - Texas Instruments Voyage 200 User Manual

Math Tool Description
Shade Depends on the number of functions graphed.
•
•
For Math results, cursor coordinates are stored in system variables xc and yc (rc
Note:
and qc if you use polar coordinates). Derivatives, integrals, distances, etc., are stored in
the system variable

Finding y(x) at a Specified Point

Finding y(x) at a Specified Point Finding y(x) at a Specified Point Finding y(x) at a Specified Point
1. From the
Graph
2. Type the x value, which must be a real value between
be an expression.
3. Press ¸.
The cursor moves to that x value on the
first function selected in the Y= Editor,
and its coordinates are displayed.
4. Press D or C to move the cursor between functions at the entered x value. The
corresponding y value is displayed.
If you press A or B, the free-moving cursor appears. You may not be able to move it
back to the entered x value.
Basic Function Graphing
If only one function is graphed, this shades the
function's area above or below the x axis.
If two or more functions are graphed, this shades the
area between any two functions within an interval.
.
sysMath
screen, press ‡ and select
.
1:Value
and
xmin
ù
y1(x)=1.25x cos(x)
. The value can
xmax
330