Here is a little exercise, which makes 2 variables (a and b) and then draw a linear function, som he bygget op via disse variable.
Method:
- Turn on the grill (right click on the drawing block and select grid).
- Turn on the axes (right-click on the drawing block and select axes).
- Type the following into the input field (Find input box under the View menu)
a =(Random Medium[-5,5]) b =(Random Medium[-5,5])
- Now you have made 2 variables, receiving a random value between -5 and 5. You can switch -5 and 5 out with other values.
- Type the following into the input field.
ax b
- Now GeoGebra drawing a straight line, which has slope a and intersection with the y-axis b.
- Hvis you trykker F9 or CTRL + r på tastaturet, så laves nye tilfældige valley for a above b, including Dermed også en ny ret linje.
Indsæt s scarce via input-feltet.
- You kan indsætte s scarce, i det som princippet efterligner, som på scarce F9 tastaturet Gor.
- Type the following into the input field
Knap[“NEW FEATURE”] - Højreklik scarce og på på tryk derefter fanebladet scripting.
- Skriv following delen i GeoGebra script
OpdaterKonstruktionen[]
- Tryk på anvend.
- Press -button.
- Press.
Insert a button via -button.
- Insert a new button using. -scarce i værktøjslinjen. (Tryk et sted på tegneblokken).
- Giv the navnet “NEW FEATURE”.
- Skriv following delen i GeoGebra script.
OpdaterKonstruktionen[]
- Tryk på anvend.
- Press -button.
- Press.
Change the color, thickness m.m. for graphs
- Press -button.
- Pressure on the graph(line) for f(x).
- Press the small arrow, which is the sign block.
- This will give you back access to additional features.
- Change the color, such as blue.
- Make the line dotted.
Change the color, font size m.m. the button.
- Press -button.
- Right-click the button.
- Choose properties.
- During the tabs Text, Color and Style can change most things.
- Be aware of, to see Colour choosing color, respectively. background color and foreground color by pressing: