Bill Harris, a 69-year-old startup founder and the former CEO of PayPal and Intuit, says a midday nap and index cards help him get through the day.

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

IronCalc brings fast, Excel-compatible spreadsheets to your browser without locking you into Microsoft 365 or Google’s cloud.

FORECAST.ETS applies an exponential triple smoothing (ETS) algorithm to create forecasts that can include trend and seasonal ...

Quantum particles have a social life, of a sort. They interact and form relationships with each other, and one of the most important features of a quantum particle is whether it is an introvert—a ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...

Quantum theory and Einstein's theory of general relativity are two of the greatest successes in modern physics. Each works extremely well in its own domain: Quantum theory explains how atoms and ...

Passive, lossy materials with positive index at real frequencies can be used to realize optical antimatter under complex frequency excitation. Our approach enables arbitrary complex \(\epsilon ,\,\mu\ ...