Ajay D’Souza’s tech blog, preserved as a static archive.

Optimise Images for Free: 5 WebP/AVIF Converters to make your Website faster

7 free applications to prevent your Mac from sleeping

When it comes to power management, the Mac far excels any of the PCs. I have my Mac configured such that it goes to sleep within 30 minutes of it being idle. unfortunately this tends to disrupt my downloads and also prevents me from remote logging in whenever I want to.

Two Variable Data Tables in Microsoft Excel Tutorial

Three weeks back I covered creating Single Variable Data Tables in Excel. As promised, in this tutorial I will cover creating a two variable data table. This tutorial assumes that you have read the earlier one and are comfortable with creating a single variable data table.

Data Tables in Excel tutorial

In my last Excel Tutorial, I covered using SUMIFS and SUMPRODUCT. Data Tables is also an advanced topic in Microsoft Excel that falls under the category of What-If Analysis. What-If or Sensitivity Analysis is carried out to study the variation of the output to changes in the input variable.

How to use Signal on your Desktop

How to calculate NPV in Excel using Functions

How to calculate NPV in Excel using Formulae

What is NPV?

Goal Seek in Microsoft Excel

Continuing with our Excel Tutorials, in this article, I'll take you through using Goal Seek in Microsoft Excel 2007. The function is same as that of earlier versions of Excel as well as Excel 2010. The screenshots below are taken in 2007.

Export projects from Google Code to Github

This amazing Excel shortcut will save you hours!

5 Free WordPress plugins for handling Thumbnails