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Casio fx-9750G Manual
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Casio fx-9750G Manual

Casio fx-9750G Manual

10. sketch function
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Sketch Function

The sketch function lets you draw lines and graphs on an existing
graph.
• Note that Sketch function operation in the STAT, GRAPH, TA-
BLE, RECUR and CONICS Modes is different from Sketch func-
tion operation in the RUN and PRGM Modes.
10-1 Before Using the Sketch Function
10-2 Graphing with the Sketch Function
Chapter
10

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Summary of Contents for Casio fx-9750G

  • Page 1: Sketch Function

    Chapter Sketch Function The sketch function lets you draw lines and graphs on an existing graph. • Note that Sketch function operation in the STAT, GRAPH, TA- BLE, RECUR and CONICS Modes is different from Sketch func- tion operation in the RUN and PRGM Modes. 10-1 Before Using the Sketch Function 10-2 Graphing with the Sketch Function...

  • Page 2: Table Of Contents

    10-1 Before Using the Sketch Function Press ! 4 (Sketch) to display the sketch menu. STAT, GRAPH, TABLE, RECUR, CONICS Mode !4(Sketch) 1 2 3 4 P.188 1 (Cls) ..Clears drawn line and point P.176 2 (Tang) ..Tangent P.177 3 (Norm) ..
  • Page 3 10 - 1 Before Using the Sketch Function RUN, PRGM Mode !4(Sketch) 1 2 3 4 5 6 5 (GRPH) ..Graph command menu 6 (g) 1 2 3 4 5 6 6 (g) 2 3 4 P.187 3 (PIXL) ..Pixel menu P.188 4 (Test) ..

  • Page 4: Graphing With The Sketch Function

    10-2 Graphing with the Sketch Function The sketch function lets you draw lines and plot points on a graph that is already on the screen. All the examples in this section that show operations in the STAT, GRAPH, TABLE, RECUR, and CONICS Modes are based on the assumption that the following func- tion has already been graphed in the GRAPH Mode.

  • Page 5: Norm)

    10 - 2 Graphing with the Sketch Function u u u u u To draw a tangent in the RUN or PRGM Mode The following is the command syntax for drawing a tangent in these modes. Tangent <graph function>, < -coordinate>...
  • Page 6 10 - 2 Graphing with the Sketch Function 2. Use the cursor keys (f, c, d, e) to move the pointer the position of the point where you want to draw the line. e ~ e 3. Press w to draw the line. u u u u u To draw a line normal to a curve in the RUN or PRGM Mode The following is the syntax for drawing a line normal to a curve in these modes.

  • Page 7: Plot)

    10 - 2 Graphing with the Sketch Function u u u u u To graph an inverse function in the RUN or PRGM Mode The following is the syntax for graphing an inverse function in these modes. Inverse <graph function> •...
  • Page 8 10 - 2 Graphing with the Sketch Function u u u u u To plot points in the RUN or PRGM Mode The following is the syntax for plotting points in these modes. Plot < -coordinate>, < -coordinate> Example To plot a point at (2, 2) Use the following View Window parameters.
  • Page 9 10 - 2 Graphing with the Sketch Function k k k k k Turning Plot Points On and Off Use the following procedures to turn specific plot points on and off. u u u u u To turn plot points on and off in the STAT, GRAPH, TABLE, RECUR and CONICS Modes •...

  • Page 10: Line)

    10 - 2 Graphing with the Sketch Function k k k k k Drawing a Line To draw a line on a graph, first display the sketch menu and then press 6 (g) 2 (LINE) to display the line menu. 6(g)2(LINE) 3 4 5 6 1 (Line) ..
  • Page 11 10 - 2 Graphing with the Sketch Function 4. Display the sketch menu and perform the following operation to draw a line be- tween the two points. !4(Sketch)6(g) 2(LINE)1(Line) u u u u u To draw a line in the STAT, GRAPH, TABLE, RECUR and CONICS Modes Example To draw a line between two points of inflection on the graph of...

  • Page 12: (Crcl)

    10 - 2 Graphing with the Sketch Function k k k k k Drawing a Circle You can use the following procedures to draw a circle on a graph. u u u u u To draw a circle in the STAT, GRAPH, TABLE, RECUR and CONICS Modes Example To draw a circle with a radius of R = 1 centered at point (1, 0)

  • Page 13: Vert)

    10 - 2 Graphing with the Sketch Function k k k k k Drawing Vertical and Horizontal Lines The procedures presented here draw vertical and horizontal lines that pass through a specific coordinate. u u u u u To draw vertical and horizontal lines in the STAT, GRAPH, TABLE, RECUR and CONICS Modes Example To draw a vertical line on the graph of...
  • Page 14 10 - 2 Graphing with the Sketch Function Example To draw on the graph of + 2)( – 2) 1. After graphing the function, display the sketch menu and perform the following operation to cause the pointer to appear on the graph screen. !4(Sketch)6(g)6(g)1(PEN) 2.
  • Page 15 10 - 2 Graphing with the Sketch Function e ~ ef ~ f aY!=v (v+c)(v-c) u u u u u To insert text in the RUN or PRGM Mode The following is the syntax for inserting text in these modes. Text <line number>, <column number>, “<text>”...
  • Page 16 10 - 2 Graphing with the Sketch Function u u u u u To turn pixels on and off • To turn a pixel on PxlOn <line number>, <column number> • To turn a pixel off PxlOff <line number>, <column number> •...