I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

Designers love to fuss over colors, gradients, and the perfect corner radius, but when you sit with real users, none of that matters if they can’t finish the task they came for. A gorgeous interface ...

Abstract: Modern data management applications involve complex processing tasks over large volumes of data. Although this falls naturally within the scope of relational databases, many such tasks ...

If Excel is not recognizing functions after a reboot, here is how you can fix the issue. If your functions are not working after an Excel restart or a computer restart, you can try these solutions to ...

The FIND function allows you to find a text string within another. It returns the position at which a character or string begins within another text string. The output of the above function will be 5, ...

We are thrilled to announce that User defined functions (UDFs) in Power Apps have reached general availability! They are now ready for your production workloads. Thank you to everyone who provided ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Abstract: With the continuous evolution of database technology, numerous databases and query analysis engines have begun to incorporate user-defined functions into SQL. These functions enable users to ...

I’m pleased to announce updates that will make Power Fx formula reuse and maintenance easier than ever: Named formulas depend on being declarative, something the system can defer and recalc based on ...