Understanding House Calls in Margin Accounts

A house call is a demand by a brokerage firm for a cash deposit to cover a shortfall in a margin account. Discover how it works and what it means for investors.

Dark Sky’s Successor is Here: Meet Acme Weather, the Next Big Thing in Forecasting

Acme Weather Dark Sky creators are back with a new app that shows forecast uncertainty instead of hiding it. Available now on ...

Ex-Apple team launches Acme Weather, a new take on weather forecasting

The team that sold their last app Dark Sky to Apple are back with Acme Weather, which offers alternative forecasts, rainbow and sunset alerts, and more.

Calculate Fixed Asset Depreciation in Excel: A Guide

Learn to calculate fixed asset depreciation in Excel using methods like straight-line, sum of the years' digits, and more for accurate financial analysis.
IEEE

Load Recovery Performances of Variable Impedance Superconducting Fault Current Limiting Transformers

Abstract: The Superconducting Fault Current Limiting Transformers (SFCLTs) offer significant advantages such as large capacity and high efficiency. However, a challenge arises in maintaining power ...
IEEE

Enhanced CT Saturation Detection Based on Fault Current Decomposition and Digital Filtering

Abstract: Accurate current transformer (CT) saturation identification is crucial for reliable power system protection. Conventional methods often struggle with CT detection accuracy under varying ...