Betsy began her career in international finance and it has since grown into a comprehensive approach to journalism as she's been able to tap into that experience along with her time spent in academia ...

Calculators have changed a bit since my schooldays. Check out TI's new smartphone-like calculator to see: the TI-84 Evo Graphing Calculator! The TI-84 Evo is the latest addition to the TI-84 series.