Chandoo

This week, let’s try something new. I have a spreadsheet challenge for you. Solve it, post your answers by leaving a comment. No cheating or no AI help on this one.

Mandatory Training at Awesome Chocolates

You are the head of L&D department at Awesome Chocolates. As part of employee induction, every new hire at Awesome Chocolates must complete these 3 trainin...

Here is a fabulous New Year gift to you. A free 2026 Calendar Excel Template with built-in Activity planner. This is a fully dynamic and 100% customizable Excel calendar for 2026.

See the calendar for entire year in a single view...

Let’s try something different. I will share a data analytics challenge here. Post your solutions in the comments.

Our first challenge involves Employee Data Analysis. You can score maximum of 35 points.

Imagine you have employee data in this “staff” table (in Excel / Power BI / SQL / Python or whatever tool you fancy)

If you operate a business in New Zealand (NZ) like me, chances are you too need to calculate GST on purchases & sales. Today, let me share the excel formulas needed to calculate GST as per NZ laws. I have also attached a free GST calculator template to help you if you are in a hurry.

How to calculate NZ GST using Excel?

Assuming you have the sale price in cel...

Recently, a client shared data with me that is clearly a pivot table and wanted me to make another pivot from it using Excel. This is a common and annoying problem we all face when working with Excel. Today, let me share my approaches for creating a pivot from another pivot report using Excel.

Option 1: If you have access to “original” data

Ha, I know, but we...