Considering tutoring for the 2025-26 school year? The tutor mentions some details…. Fall 2025, Oracle Tutoring offers a choice: in-person or online. Subjects: math, sciences, English, and more. Students of all ages welcome. Certified teacher. email: oracletutoring@shaw.ca text: 250 203-6544
Tutoring math, one notices features of calculators. The tutor mentions a way to set the default format of fractions to improper on the Casio fx-991ES PLUS C. The following is according to my understanding. For background on mixed numerals and …
Calculator usage: fraction format on the Casio fx-991ES PLUS C Read more »
Tutoring statistics, one uses all kinds of calculators. The tutor gives an example of how to use the Casio fx-991ES PLUS C for normal cdf calculations. The following is according to my understanding. As calculators go, it seems to me …
Statistics, calculator usage: the normal distribution on the Casio fx-991ES PLUS C Read more »
Tutoring statistics, one encounters various electronic facilities. The tutor compares Google Sheets with the TI-83 Plus using the normal cdf. The following is according to my understanding. My earlier coverage of a Google Sheets way to use the normal cdf …
Tutoring statistics, devices come up. The tutor mentions using the normal cdf on the TI-83 Plus. I mention the normal cdf with Google Sheets in in my post from January 24, 2026. It’s used to calculate, with reference to an …
Tutoring statistics, normal and inverse normal are common functions related to the normal distribution. The tutor mentions inverse normal, aka inverse normal cdf. The following is according to my understanding. In my post from yesterday I mention using the normal …
Statistics, spreadsheets: using inverse normal on Google Sheets Read more »
Tutoring statistics, normal distribution and normal cdf, etc, are often referenced. The tutor mentions some everyday ideas with an example on Google Sheets. The following is according to my understanding. In statistics, the normal distribution is probably the most used …
Statistics, spreadsheets: using the normal cdf on Google Sheets Read more »
Tutoring statistics, fundamental ideas about the normal distribution are important. The tutor mentions the difference between normal and standard normal. I begin about the normal distribution in my post from Nov 17, 2014. That post mentions some familiar concepts about …
Statistics: normal distribution vs standard normal distribution Read more »
Self-tutoring about psychology: the tutor begins about ghosting. The following is according to my understanding. When I was a kid, it was the 70s and 80s. Life was simple: nobody had a mobile phone, social media, or anything like that. …
Self-tutoring about health: the tutor begins about gut bacteria. The following is according to my understanding. I’ve been hearing about gut bacteria for years. When I was in school I was taught that gut bacteria can help digest food and …
Self-tutoring about email security: the tutor mentions one way an email application knew to classify a phishing attempt as Junk. The following is according to my understanding. I mention in my post from January 16, 2026, a rather unsettling phishing …
Email: how did the email server know the phishing attempt was spam? Read more »