Excel’s AGGREGATE Fails on Arrays but Works with Grid Ranges

Learn why the Excel AGGREGATE function fails with arrays and how to fix value errors using helper columns or dynamic LAMBDA and BYROW formulas.
IEEE

Chaotic Synchronization Control Based on State-Dependent Dynamic Activation Function and its Application to Secure Communication

Abstract: Chaos synchronization, a significant branch of nonlinear system control, holds broad application prospects, particularly in communication, security, and signal processing. However, ...

How to Update Excel Formulas Across Entire Workbooks in Seconds

Unlock the hidden potential of Excel's Find and Replace tool to reformat data, use wildcards, and update formulas across ...

Cosmic eruption caught in the act by submillimeter array's new fastest response system

On Jan. 26, 2026, the Submillimeter Array (SMA) on Maunakea crossed an important threshold for time-domain astronomy. For the ...