[size=100]In het [i]Rekenblad [/i]van[i] [/i]GeoGebra heeft elke cel een specifieke naam.[br][u]Voorbeeld[/u]: De cel in kolom [i]A[/i] en rij [i]1[/i] heet [b]A1[/b].[br][br]Met de cellen van het [i]Rekenblad[/i] kan je objecten creëren die getoond worden in het [i]Tekenvenster[/i](b.v. punten).[br][br][b]Task 1[/b][br][/size][table][tr][td][size=100]1.[/size][/td][td][center][size=100][b]A1[/b][/size][/center][/td][td][size=100][font=Arial]Enter the number [/font][code]10 [/code]into cell [b]A1[/b].[br][u]Hint[/u]: Always confirm your input by pressing the [i]Enter[/i] key.[/size][/td][/tr][tr][td][size=100]2.[/size][/td][td][center][size=100][b]B1[/b][/size][/center][/td][td][size=100]Enter the coordinates [code](-2, 2) [/code]into cell [b]B1[/b].[br][u]Note[/u]: The point [i]B1 = (-2, 2)[/i] is automatically shown in the [i]Graphics View[/i].[/size][/td][/tr][tr][td][size=100]3.[br][/size][/td][td][size=100][icon]/images/ggb/toolbar/mode_move.png[/icon][br][/size][/td][td][size=100]Select the [i]Move[/i] tool and drag point [i]B1[/i] in the [i]Graphics View[/i]. [br][u]Note[/u]: The [i]Spreadsheet View [/i]shows the current position of point [i]B1 [/i]in cell [b]B1[/b][i][/i].[br][/size][/td][/tr][tr][td][size=100]4.[br][/size][/td][td][size=100][icon]/images/ggb/toolbar/mode_delete.png[/icon][br][/size][/td][td][size=100]Delete the content of cell [b]B1[/b].[/size][/td][/tr][/table]

[size=100]You may refer to another cell by using its name in your new input.[br][u]Note[/u]: If the content of this cell is modified, the new input adapts automatically.[br][/size][size=100][br][b]Task 2[/b][br][/size][table][tr][td][size=100]1.[/size][/td][td][size=100][b]A1[/b][/size][/td][td][size=100]Change the number in cell [b]A1[/b] to [code]1.5[/code] and confirm your input.[/size][/td][/tr][tr][td][size=100]2.[/size][/td][td][center][size=100][b]B1[/b][/size][/center][/td][td][size=100]Enter the formula [code]= 2 * [/code]into cell [b]B1[/b] and then select cell [b]A1[/b] in order to insert its name into the formula. Confirm your input.[br][u]Note[/u]: GeoGebra calculates [i]2 * 1.5[/i] and displays the solution [i]3[/i] in cell [b]B1[/b].[br][/size][/td][/tr][tr][td][size=100]3.[br][/size][/td][td][b][size=100][/size][/b][center][size=100][b]A1[/b][br][/size][/center][/td][td][size=100]Change the content of cell [b]A1[/b] to [font=monospace]3[/font].[br][u]Note[/u]: The content of cell [b]B1[/b] automatically adapts to your changes.[/size][/td][/tr][/table][size=100][br][br][b]Task 3[/b][br][table][tr][td]1.[/td][td][b]C1[/b][/td][td]Enter the coordinates [code](A1, B1) [/code]into cell [b]C1[/b] and confirm your input.[br][u]Hint[/u]: Cell [b]C1[/b][i] now [/i]shows the coordinates [i](3, 6)[/i]. The corresponding Point [i]C1[/i] is automatically displayed in the [i]Graphics View[/i].[/td][/tr][tr][td]2.[/td][td][b]A1[/b][/td][td]Change the value of cell [b]A1[/b] to [code]2[/code].[br][u]Note[/u]: The coordinates in cell [b]C1[/b] and the corresponding point automatically adapt to your changes.[/td][/tr][/table][/size]