Here are the best uses of the Arrow keys in Excel with Scroll Lock mode turned on. Pressing Ctrl+Shift+Up, Down, Left, or Right Arrows selects the current cell and all cells above, below, to the left, ...
You can organise your menu by grouping items into categories (e.g. starters, mains, desserts), and with separate menus for specials or set meals. To price your dishes correctly, factor in food costs, ...