How do I change the calculation settings?

Excel tip:

Ctrl+d's double life

Suppose I have a formula in B1 that I wish to copy into B2:B10. I can select B1:B10 then press Ctrl+d to copy the formula down the selected range. Users generally ignore this shortcut in favour of double-clicking on the fill handle to copy down, but Ctrl+d is useful sometimes particularly when there is no data in surrounding columns to guide to how far the double-click method should copy formulae.

Ctrl+d has another use though. When I use the drawing toolbar to draw objects such as Text Boxes, Rectangles and Ovals onto a worksheet, Ctrl+d makes an instant duplicate of selected shapes. For example, I need five Text Boxes the same size. I draw one Text box and adjust it to the size I want, select it, then press Ctrl+d four times to get four identical copies.

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