It’s possible to use an 8:1 multiplexer to implement any 3-input logical function, but can we use it to implement a 4-input function? On the one hand, some logic problems never seem to go away. On the ...

The simplest way to start documenting Excel formulas like a coder is by using the N () function. Although its primary job is to convert non-numeric values into numbers, it has a hidden quirk: because ...

Most Microsoft Excel users are familiar with Microsoft Excel’s COUNTIF() function, which allows you to count items conditionally. For instance, you might want a count of employees who joined the ...

Have you ever found yourself staring at a tangled mess of Excel formulas, wondering if there’s a simpler way to get the results you need? You’re not alone. Whether you’re managing sales data, tracking ...

Excel's logical functions test whether a statement or data is true or false, before enabling the program to carry out an action based on the result. They are useful for analyzing data, automating ...

This is going to be a column that’s divided into three sections. It’s based on a question that a student posed in the EEWeb forums, and he also sent it directly to yours truly. The core of this ...

It’s time to do a series on logic including things such as programmable logic, state machines, and the lesser known demons such as switching hazards. It is best to start at the beginning — but even ...