Calculate the sum of a series of numbers using the [icon]/images/ggb/toolbar/mode_sumcells.png[/icon] [i]Sum[/i] tool.[br][table][tr][td]1.[/td][td][icon]/images/ggb/toolbar/mode_move.png[/icon][/td][td]Use the [i]Move[/i] tool to highlight all cells of column [i]B[/i] that contain numbers.[/td][/tr][tr][td]2.[/td][td][icon]/images/ggb/toolbar/mode_sumcells.png[/icon][/td][td]Select the [i][i]Sum[/i][/i] tool from the [i]Spreadsheet View Toolbar[/i].[br][u]Note[/u]: The sum of the numbers in the highlighted cells is displayed in the next empty cell of column [i]B[/i].[/td][/tr][/table]

[size=100][size=100]GeoGebra's [i]Tools[/i] are organized in [i]Toolboxes[/i], containing similar [i]Tools [/i]or [i]Tools [/i]that generate the same type of new object. You can [b]open a [/b][i][b]Toolbox[/b] [/i]by clicking on a [i]Tool [/i]button and selecting a [i]Tool [/i]from the appearing list.[/size][b][br][br]Task[/b] [br]Create a list of points based on the numbers provided in the spreadsheet.[br][table][tr][td]1.[/td][td][icon]/images/ggb/toolbar/mode_move.png[/icon][/td][td][size=100]Use the [i]Move[/i] tool to highlight all cells of columns [i]B[/i] and C down to row 6.[/size][/td][/tr][tr][td]2.[/td][td][icon]https://tube.geogebra.org/images/ggb/toolbar/mode_createlistofpoints.png[/icon][/td][td]Select the [i][i][size=100][i]List of Points[/i][/size][/i][/i] tool from the [i]Spreadsheet View Toolbar[/i]. In the appearing dialog window, press [button_small][size=100][i]Create[/button_small][/i] in order to create points from your data set.[/size][/td][/tr][tr][td][/td][td][/td][td][u]Note[/u]: The values in column [i]B[/i] determine the [i]x[/i]-coordinates and the values in column [i]C[/i] specify the [i]y[/i]-coordinates of the plotted points.[br][/td][/tr][/table][/size]