Hafizul Islam

About author

Hafizul Islam is an excellent marine engineer who loves working with Excel and diving into VBA programming. For him, programming is like a superhero tool that saves time when dealing with data, files, and the internet. His skills go beyond the basics, including Rhino3D, Maxsurf C++, AutoCAD, Deep Neural Networks, and Machine Learning. He got his B.Sc in Naval Architecture & Marine Engineering from BUET, and now he's switched gears, working as a content developer. In this role, he creates techy content all about Excel and VBA. You'll find him reading books, travelling, and enjoying movies and TV series outside work.


Excel & VBA Content Developer at ExcelDemy in SOFTEKO.

Lives in

Dhaka, Bangladesh.


B.Sc in Naval Architecture & Marine Engineering, BUET.


  • Design and Drawing Software: AutoCAD, Rhinoceros, Gambit, Tecplot
  • Analysis Software: ANSYS Fluent-19, ABACUS, Maxsurf, Hydromax, Excel, Word and PowerPoint proficiency
  • Programming Languages: C++, Fortran, Python, MATLAB


  • Adjunct lecturer, Department of Naval Architecture and Marine Engineering, Sonargaon University, Dhaka.
  • Engineer, Amader Environment Systems Ltd (AESL).


  • "Numerical Modeling of a Single-Disk Micro-scale Viscous Pump" is accepted for poster presentation and published in the “Book of Abstracts of ICME2019” (Paper ID: 217) at ICME held in December 2019 at BUET, Dhaka.
  • Numerical Modeling of a Double-Disk Micro-scale Viscous Pump.

Latest Posts From Hafizul Islam

How to Insert Multiple Blank Rows in Excel (4 Easy Ways)

Sometimes, you may come across a situation where you want to deal with lots of data and as it updates with time, you may need to insert multiple empty rows in ...

How to Space out Cells in Excel (2 Easy Approaches)

If you want to have more space between cell contents and the cell border, again if you want to remove space between text/numbers in a cell, then you are in the ...

How to Remove Sort by Color in Excel (With Easy Steps)

The sorting facility is a highly useful feature in Excel. Sorting helps us to handle easily large data sets in Excel. However, there is no ‘unsort’ or reset ...

Growth Formula in Excel with Negative Numbers (3 Examples)

You can not find an exact accurate growth formula in Excel with negative numbers. We can use different formulas to calculate growth in Excel with negative ...

How to Print Selected Area in Excel on One Page (3 Methods)

Sometimes, you may have a large dataset, but you want to print the selected area in Excel on one page. You can do it easily by applying 3 easy methods which we ...

How to Highlight a Row in Excel (4 Effective Ways)

This article describes different ways to highlight a row in Excel.  In this tutorial, we will see several approaches to highlighting a row in Excel using ...

How to Extract Data from Excel Sheet (6 Effective Methods)

We have a dataset containing 5 columns and 9 rows including headings. Let's extract data from this Excel worksheet to another worksheet. Method 1 - ...

How to Wrap Text in Excel Cell (5 Easy Ways)

Looking for ways to wrap text in Excel cells? Do not worry, we are here for you. In this article, we will go through 5 easy methods to wrap text in an Excel ...

How to Change Lowercase to Uppercase in Excel Without Formula

If you are facing problems in changing lowercase to uppercase or vice versa in Excel without formula, and you want to overcome the problems, then you are in a ...

How to Search by Sheet Name in Excel Workbook (2 Handy Methods)

If you have a lot of worksheets in an Excel workbook and you are navigating google for a quick way to find a specific sheet or all sheet names, then you are in ...

How to Edit Name Box in Excel

Editing the Name Box in Excel typically refers to the process of assigning or modifying names for cells or ranges within a worksheet. The Name Box in Excel is ...

Browsing All Comments By: Hafizul Islam

Advanced Excel Exercises with Solutions PDF