Excel tip: Define cell names to cut errors and speed up your formulas

Using the example in our spreadsheet or a similar spreadsheet, highlight all the revenue numbers in the sheet and then in the ...

Build Faster Excel Workflows Using FILTER, IFS, XLOOKUP, and LET for Real-World Data

Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...

Save Time With Excel in 2026 : Stop Manual Updates and Refresh Budgets & Actuals Fast

Handle millions of rows by loading queries into Power Pivot, building relationships, and creating measures for fast variance ...
IEEE

Two-Stage Zoom FFT-Enhanced Deep Learning-Aided Weighted Scheme for Wireless Vital Sign Estimation Using mmWave FMCW Radar

Abstract: The accurate estimation of vital signs using millimeter-wave (mmWave) frequency-modulated continuous wave radar promises a future of enhanced health monitoring with superior convenience and ...
IEEE

Research on the Application of Fast Fourier Transform in Harmonic and Inter-Harmonic Detection of New Power System

Abstract: The large-scale integration of renewable energy sources such as wind and photovoltaic into the power grid, along with the extensive use of power electronic devices at the “source-grid-load” ...