To add a cell value
- Drag & drop value from bottom buttons or from other
cells using mouse.
- Select the cell and enter value using keyboard.
To remove a cell value
- Drag & Drop the same value again from bottom buttons
or from other cells using mouse.
- Re-enter the value to get toggled, using keyboard.
To clear all values in a cell
- Drag & Drop the cell into itself
- Drag & Drop the cell into a game fixed cell
- Press delete using keyboard.
To enable pencil mark
- Enter multiple values to cell to get pencil mark.
- For single value cell, double click to toggle pencil
mark.
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