## Maths

Two negatives making a positive is reflected aptly in typography: +

Luck does not exist

Some characteristics of the number 2023

The number 25 has a magical appearance. 2 plus 5 equals 7, my lucky number. And, of course, 25 is 5²

Being politically correct all the time is similar to being brain-dead

What a great lecture

For some weird reason the abbreviation for sine is sin and cos for cosine. This is madness compared to the beautiful and logical abbreviation for tangent and cotangent