The long-term decline in the number of students taught calculus in Australian schools should have every policy-maker and teacher extremely worried, writes ACEMS Chief Investigator Jan de Gier, in this op-ed in the Australian Financial Review co-written with Professor Asha Rao: https://www.afr.com/work-and-careers/education/calculus-ignored-even-though-evidence-is-we-rely-on-it-20201204-p56ksf