A blog is that is all about mathematics and calculators, two of my passions in life.
Sorry I have not blogged in while. For the students: are you in school or about to go back? What math classes are you taking?
RPN: HP 42S, DM42, Free 42 Tones, Column Vectors, and Songs Making Music of 10 Tones The HP 42S, and subsequently, the Free42 app...
