How-To Geek on MSN

Don't trust Excel's COUNTA function to count non-blank cells—here's a better method

In most counting scenarios in Excel, COUNTBLANK reliably counts blank cells, and COUNTA reliably counts populated cells.
How-To Geek on MSN

The simple Excel function that decides if your formula spills or returns one value

If you decide to spill the results, you can then use the spilled range operator (#) to perform a calculation on the spilled range. Simply reference the first cell of the spilled range with a # ...
Investopedia

Understanding MACD Histogram: Key to Spotting Stock Trend Changes

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Suzanne is a content marketer, writer, and ...
Investopedia

Learn How to Calculate NPV in Excel: A Step-by-Step Guide

David Kindness is a Certified Public Accountant (CPA) and an expert in the fields of financial accounting, corporate and individual tax planning and preparation, and investing and retirement planning.
IEEE

A Dynamic Histogram Equalization for Image Contrast Enhancement

Abstract: In this paper, a smart contrast enhancement technique based on conventional histogram equalization (HE) algorithm is proposed. This dynamic histogram equalization (DHE) technique takes ...
IEEE

Local Histograms for Design of Transfer Functions in Direct Volume Rendering

Abstract: Direct volume rendering (DVR) is of increasing diagnostic value in the analysis of data sets captured using the latest medical imaging modalities. The deployment of DVR in everyday clinical ...