Tech NotesBig O Notation when first for loop is “for i = 1 to n” and secoond loop is “for j = 1 to n — i” is…Why is it still n²? Doesn’t the second loop greatly reduce the problem size?Jul 29Jul 29

Tech NotesDeveloping an Intuition for Conditional ProbabilityConditional probability is usually talked about in the form, “what is the probability of event A happening, given that we know B happened?”Jun 15Jun 15

Tech NotesEuclidean Algorithma very old method for finding the greatest common denominatorJun 15Jun 15

Tech NotesTwo Different Formulas for Calculating the Expectation of a Discrete Random Variable and How to…A simple guide for keeping the symbology straightMay 9May 9

Tech NotesHow to Toggle Metal API Validation in your Xcode ProjectLook for the scheme name at the top of your editor in the “gutter”. It should be to the right of the play button. See image below, it is…May 3May 3

Tech NotesHow to tell if wood is pressure treated?To determine if wood is pressure treated, you can look for several indicatorsApr 20Apr 20

Tech NotesA mother, father, and their 3 children are having their picture taken.Combinatorics with some restrictionsApr 13Apr 13

Tech NotesA fair coin is flipped n times and the results recorded.The mathematics of a fair coin flipApr 13Apr 13

Tech NotesA club of 12 people would like to choose a person for each office of president, a vice president…to solve this problem we shall use CombinatoricsApr 13Apr 13

Tech NotesWhat is the Difference Between Blocks and Layers in LibreCAD?In LibreCAD, the distinction between the layer list and the block list is fundamental to how drawings are organized and managed. Here’s a…Apr 11Apr 11