No se ustedes, pero prefiero wwww.wolframalpha.com, es que cuando busco x^1=-1 prefiero una pagina de la wikipedia o de matematicas a una que me diga =i
Inside Search: Showing some love to math lovers: I still recall the day when my friend Yossi came to school and showed off his brand new graphing calculator. I was stunned by how easy it wa...
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