Useful tips for everyday
Why do shortcuts not work on my keyboard? Sometimes, keyboard shortcuts might fail to work on your computer if you don’t press the key combinations…
Why should all software be free? Free software gives users the freedom to study how the program works by accessing the source code, writing additional…
Why are baseband signals not transmitted? – Base band signal is not transmitted directly for two reasons : i) Because of the low frequency of…
How do I remove a shape from an image in Illustrator? Hold down “Shift” while clicking on areas of the image to add to the…
How to find the maximum of Gaussian random variables? Giving (upper) bounds on the maximum of i.i.d Gaussians is easier than precisely characterizing its moments.…
How do I get to environment variables? To create or modify environment variables on Windows: Right-click the Computer icon and choose Properties, or in Windows…
What does it mean when a function is implicit? : a mathematical function defined by means of a relation that is not solved for the…
How does progressive image work? It works by loading images in successive waves. You’ll see a blurry or pixelated picture at first, but it’ll clear…
What is the function of soft iron core in moving coil instrument? A soft iron core is used in a moving coil galvanometer. The soft…
Can you make a lathe variable speed? There are true electronic variable-speed lathes with DC motors these days and others that offer lever-controlled, clutch-type variable…