In short, 0 is the only number such that for any number x, x + 0 = x.So, the reason that any number to the zero power is one is because any number to the zero power is just the product of no numbers at all, which is the multiplicative identity, 1. What is 0 […]

Net present value (NPV) is the difference between the present value of cash inflows and the present value of cash outflows over a period of time. NPV is used in capital budgeting and investment planning to analyze the profitability of a projected investment or project. How is NPV calculated? Net present value is a tool […]

The first joint of an index finger is about 1 inch long. When a hand is spread wide, the span from the tip of the thumb to the tip of the pinkie is about 9 inches; from the tip of the thumb to the tip of the index finger, around 6 inches. How many finger […]

Whatever the format, in British English, dates are usually written in the order day – month – year, while in American English they are written month – day – year. How do you write the date in a signature? When writing the date in a formal letter, you should write it in full with no […]

How do I make videos on my phone? To capture moving pictures, or video, with your Android phone, switch the camera mode in the Camera app to video recording. The same icon is used to switch between still and moving images. When video mode is active, the Camera app’s screen changes subtly: The Shutter icon […]

How to hide photos on iPhone, iPad, or iPod touch Open Photos. Select the photo or video that you want to hide. Tap the Share button , then tap Hide. Confirm that you want to hide the photo or video. How do I move Photos from camera roll to hidden? Here’s how to move them: […]

To delete a number from your spam list: In the navigation bar, tap . Tap a number. In the call detail window, tap Not spam. In the window that opens, enter a comment if you want to. Then tap Done. How do I remove a contact from spam? Yes. You can remove your number by […]

Adding a Watermark to a Slide Select the slide to which you wish to add a watermark. Click “Insert” in the toolbar at the top of your screen. Under insert, click on the “image” option and then choose “upload image.” Once you’ve selected the image that will be your watermark, resize it to the proportions […]

How do I create a shared file? Set up a shared workbook Click the Review tab. Click Share Workbook in the Changes group. On the Editing tab, click to select the Allow changes by more than one user at the same time. In the Save As dialog box, save the shared workbook on a network […]

If your chart is not updated on the first manual recalculation after changing data please refer to the knowledge base article KB0175. If you need to avoid a recalculation in Excel, you can go to a cell within the affected think-cell frame, press F2 and then Enter . This also triggers an update. Are charts […]