Sounds simple enough to drill a hole in sea shells, but when I tried masonry and standard steel drills would crack the shell. Lots of info online states using slow speed and water to help, but that wasn’t working for me either. I decided to purchase some 3mm diamond hole saw bits from eBay to…

I purchased the AUSDOM AH862 HiFi Stereo Bluetooth V4.1 Headphones  online on the 7 September 2019, which came with a 12 month warranty. 6 months into owning them I noticed the battery wasn’t lasting, I emailed AUSDOM and after many back-and-forth emails and video evidence then confirmed “Okay, i have seen. It should be broken. [sic]”.…

I recently experienced a Slide the Green Tab on Drum Unit on my MFC-9340CDW, and what’s confusing, the error message lists all the 4 cartridges, and no mater how many times you slide and return the tabs back to the resting spot it doesn’t resolve it. But I thought I would try resting the tab…

I couldn’t find anything existing only, basically it is a double sided A4 page with lines in two columns which allows the pages to be folded to create books for children and students. Various line heights are available. A4 landscape 9mm lines A4 landscape 12mm lines A4 landscape 14mm lines A4 landscape 18mm lines A4…

Distributed and on Demand warehousing, picking, packaging and shipping Imagine a warehouse which is dynamic in size, conveniently located in your suburb and delivery of goods is a fraction of the time offered by traditional warehouses. Anyone with a free bedroom, storeroom or pantry can opt to list their storage space which gets pooled for…

The Markstrat Commercial Team allocation in Markstrat is a bit of a blackbox, in general the commercial team size should increase proportionally to the number of products sold, but truthfully, I have never seen the commercial team negatively affect the sales, its always the products specifications. Look at a number of past Markstrat simulations of…

There is a MarkStrat simulation where each team starts with different products and has established revenues and sales which are again all different. I’ve noticed that the most common simulation doesn’t do this and everyone gets the same starting products, SPI and revenues, which makes the simulation a lot more fair. Especially if your grades…

Here is some research into how the MarkStrat Share Price Index (SPI) is calculated since many schools use this to determine performance and grades. My analysis was to look at the MarkStrat Share Price Index of a number of teams, over a number of periods, through a number of simulations. I performed some simple statistic…

Overwhelmed by the barrage of deal emails from readingeggs.com.au, here’s a summary of the Cheapest ABC Reading Eggs and Mathseeds subscription prices you can pay. Standard price for a Readings Eggs only 1 year subscription is $59.95. Occasionally, if you wait long enough you may be able to go as low as $55 which occurred…

Here is a solution for the “Expected an array object” if you are splitting a PDF file, particularly with bookmarks. If splitting a file by page numbers, you can easily print to PDF which will then produce a non-erroneous PDF, but with bookmarks lost. I couldn’t find a solution that resolved the splitting in Acrobat,…