The story of the Curta Calculator, a stylish portable mechanical calculator that doesn’t use electricity and has a surprisingly dramatic origin story.
The winter ❄️ has finally come. I have been wishing for snow for a long time. Coming from a warm country such as Portugal, snow is not the most common thing to see. In fact, I only saw snow in Portugal once when I was a kid when I went to Serra da Estrela, the highest mountain in continental Portugal.
The Texas Instruments graphing calculator, the long-neglected computing platform required by many high school math students, finally gets some competition.
Educators had a love-hate relationship with graphing calculators when they launched, but students loved them because they were great for games.
Today, 14th march, is the Pi Day 2015. See this small video which talks a little bit about Pi.
Algumas dicas para o estudo de Matemática, uma das disciplinas em que os estudantes têm mais problemas. Prepara-te para os exames continuamente.