severak
26.11.2019 17:09:05
Big Calculator: How Texas Instruments Monopolized Math Class
These $100 calculators have been required in classrooms for more than twenty years, as students and teachers still struggle to afford them
severak
26.11.2019 17:09:05
These $100 calculators have been required in classrooms for more than twenty years, as students and teachers still struggle to afford them