Static row references copy the output and won't be updated if the referenced row is subsequently changed:[list][*]Enter [b]#[/b] to copy the previous output into the new row.[/*][*]Enter [code][/code][b]#5[/b] to copy the output of row 5 into the new row.[/*][/list][br]Dynamic row references insert a reference to another row instead of the actual output and therefore will be updated if the referenced row is subsequently changed:[list][*]Enter [b]$[/b] to insert a reference to the previous output.[/*][*]Enter [b]$3[/b] to insert a reference to the output of row 3.[/*][/list]

Make references to other rows by following the instructions below.

[list=1][*]Put in [code]a²-2*a*b[/code] in the second row.[br][/*][*]Calculate [code]#1-$2[/code] in the third row.[/*][*]Change the input of the first row into [code](a-b)²[/code] and check that the output in row 3 hasn't changed.[/*][*]Change the input of the second row into [code]b²-2*a*b[/code] and check that the output in row 3 has changed. [/*][/list]

After selecting a [i]Command [/i]from the list of suggested commands, the first parameter is automatically highlighted and can be easily replaced with your input. To highlight the next parameter, either type a comma or press the [i]tab [/i]key.