Guide pupils to use the Scratch interface to drag the coding blocks into place, and trial shaking their micro:bits to ...

Forecasting for any small business involves guesswork. You know your business and its past performance, but you may not be comfortable predicting the future. Using Excel is a great way to perform what ...

Do you feel nervous when you make a credit-card transaction using your mobile phone? Your worries could soon be a thing of the past, thanks to a low-cost device that could bring powerful cryptography ...

How to generate random numbers with no duplicates in Excel Your email has been sent Over the last few months, I’ve written about several of Excel’s new dynamic array functions. They’re powerful and ...

Excel provides three functions for generating random values: RAND(), RANDARRAY(), and RANDBETWEEN(), but there’s no comparable function for generating random letters. The truth is, most of won’t need ...