User manual ASTON THERMICA ATE

[. . . ] You can then manipulate and examine the objects. You can: • • • • • • Draw objects on square or circular boards. Save Geoboards so you can retrieve them later. ATE Geoboard Page 3 What You Will Need To install and run TI 73 Geoboard, you need: • A TI 73 with version 1. 3007 or later of the Graph Explorer software. (To check the version, press  €, and select About. ) To download a free copy of the latest Graph Explorer software, point your web browser to http://education. ti. com/ At least 1000 bytes of available TI 73 RAM memory and: - • An additional 97 bytes for each board that you save. An additional 9 bytes for each measured value that you store in a list. Geoboard notifies you if you try to save any data after available memory has dropped below 1000 bytes. [. . . ] Use the cursor keys (, , , and ) to move to the first of the three points that form the angle, and press the E key. The angle value appears, and the angle is shown as a dotted line on the object. Select the TI 73 list in which you want to store the value, or select QUIT to discard the value. Press   to stop measuring. Note Angle measurement always displays the smaller of the two angles formed by the two sides. The smaller angle might be the angle on the outside of the object rather than the angle on the inside. ATE Geoboard Page 34 Measuring the Length of an Arc On a circular board, you can measure the length of any single arc that you have drawn. You must specify the same starting and ending points that you used to draw the arc. The length is always measured clockwise from the starting point to the ending point. Tip If you are uncertain of the arc’s starting and ending points, you can use the FMAT command to display labels. 1. Use the  and  keys to move to the arc’s starting point, and press the E key. Select the TI 73 list in which you want to store the value, or select QUIT to discard the value. Example: Examining the Areas of Squares This example uses Geoboard to demonstrate visually how a square’s area is related to the length of the square’s sides. If labels are on, select FMAT (press the  key), and then select LblsOff. 4. The temporary copy is reflected along the line. Note If the entire reflected object does not fit on the board, the message Limit is displayed. If the line of reflection is not horizontal or vertical, the message NoAxis is displayed. Select either MOVE (to replace the original object with the reflected copy) or COPY (to keep both the original object and the reflected copy). Note A copy operation must not exceed Geoboard’s maximum of 26 points or 6 objects per board. To cancel the reflection before you have selected MOVE or COPY select QUIT. The temporary , copy is erased. ATE Geoboard Page 40 Translating an Object When you translate an object, you have the option of moving either the original object or a copy of it. The operation must not exceed Geoboard’s maximum of 26 points or 6 objects. 1. Use the cursor keys (, , , and ) to place the cursor on one of the object’s points. A temporary copy of the object is displayed with dotted lines. If you have selected a point that is shared by multiple objects, Geoboard selects the first object that used the point. Note 5. Use the cursor keys (, , , and ) to reposition the temporary copy. ATE Geoboard Page 41 6. Select either MOVE (to move the original object to the new location) or COPY (to keep both the original object and the copy). Note A copy operation must not exceed Geoboard’s maximum of 26 points or 6 objects per board. To cancel the translation before you have selected MOVE or COPY select QUIT. [. . . ] Although no warranty is given for the Program, the media, if the Program was delivered to you on diskette(s) or CD, will be replaced if found to be defective during the first ninety (90) days of use, when the package is returned postage prepaid to TI. THIS PARAGRAPH EXPRESSES LICENSOR'S MAXIMUM LIABILITY AND YOUR SOLE AND EXCLUSIVE REMEDY FOR DEFECTIVE MEDIA. LICENSOR SHALL NOT BE RESPONSIBLE FOR ANY DAMAGES CAUSED BY THE USE OF THE PROGRAM, OR SUFFERED OR INCURRED BY YOU OR ANY OTHER PARTY INCLUDING BUT NOT LIMITED TO SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES, EVEN IF LICENSOR HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN JURISDICTIONS WHICH ALLOW ASTON THERMICA TO LIMIT ITS LIABILITY, TI’S LIABILITY IS LIMITED TO THE APPLICABLE LICENSE FEE PAID BY YOU. [. . . ]