The Langlands program has inspired and befuddled mathematicians for more than 50 years. A major advance has now opened up new ...

Notice and Wonder When students become active doers of mathematics, the greatest gains of their mathematical thinking can be realized. NCTM members can engage with PreK-12 resources to support the ...

Calibration and validation of the AquaCrop model for the soybean crop grown under different levels of irrigation in the Motopiba region, Brazil Calibração e validação do modelo AquaCrop para a cultura ...