Recently, I gave a tutorial on presentation techniques at the SNT institute in Luxembourg City. The material for this tutorial is organized in three themes: structure, story and support. The three themes I will detail each of these topics in a separate blog post later, but for now, I’ll detail the general idea of the tutorial. Structure […]
On bad arguments and stereotypes
Last week there was a small Twitter storm in the Netherlands because of this toy advertisement. Quite interesting, as this was the topic of my first blog post in 2011. The pink letters translate to ‘you want to be just as good as mommy’. Eventually the story also ended up in regular media, and then on tv. In the Dutch show Pauw […]
New paper: BumbleBee, a tool for spreadsheet formula transformations
Update: This paper will be presented at FSE 2014! Some spreadsheets can be improved While looking at spreadsheet and how they are used, over the past years I have noticed that many users don’t make their spreadsheets as easy as they could be. For instance, they use A1+A2+A3+A4+A5 instead of the simpler SUM(A1:A5) Sometimes because […]
Excel Turing Machine
This weekend, I went on a get away with some fellow developers of Devnology. We do this every year, drinking beer, talking about programming, and often also, programming. This year I had even more fun than usual, as Daan van Berkel proposed we build a Turing machine in Excel. In this blog post I’ll talk […]
New Paper: Improving spreadsheet test practices
My first solo paper (without my PhD supervisor) ‘Improving spreadsheet test practices’ will be published at CASCON ’13 in Toronto. This paper explores the idea of applying testing to spreadsheets. Core idea The core observation I did for this paper is the fact that spreadsheet users do exhibit some basic testing. Many spreadsheet creator use formulas […]
