ConocoPhillips gave $27,000 to equip Alamo Junior High with TI-84 calculators and training, boosting STEM access across Midland ISD.

Learn how to calculate hazard rate, its practical implications in engineering and finance, and why it's critical in predicting survival and failure rates.

NPR's Ailsa Chang speaks to mathematician Eugenia Cheng about the Pascaline -- a 17th-century invention credited as the first mechanical calculator.