Self-tutoring about spreadsheet functions: the tutor mentions intrate() in Google Sheets. The following is according to my understanding. The function intrate() calculates the effective interest rate for a buy-then-sell event. Its entry format is =intrate(date1,date2,value1,value2,[optional: day_count_convention]). The idea is that …

Spreadsheets: Google Sheets: intrate function Read more »

Self-tutoring about computer software entities: the tutor mentions Apache and Mozilla. The following is according to my understanding. Over the years I’ve gotten many answers by researching the Web. Mozilla and Apache have both figured prominently in said research. To …

Computer science, business: Apache and Mozilla Read more »

Self-tutoring about international politics: the tutor mentions Iran. The following is according to my understanding. Iran, it seems, has widespread protests once again about its regime. In itself, the situation isn’t new; it happened in 2022, and numerous other times …

Politics: why the current situation in Iran might be different Read more »

Self-tutoring about current events: the tutor mentions one aspect of the Minnesota fraud scandals. The following is according to my understanding. Disappointingly, one hears more and more about scams and fraud. Likely one reason is that penalties for them remain …

Fraud, waste and abuse: the Minnesota fraud scandals, part 1: the targeting of child nutrition programs Read more »