SAT and ACT policies regulate the types and models of calculators allowed for use in solving math problems on standardized tests administered by each organization.
For a while, the SAT had a more or less unrestricted calculator policy whereas the ACT had a tightly controlled one, allowing only those user-installed programs comprising 25 or fewer lines of code. Aside from being unduly onerous, the old ACT policy was obviously unenforceable, and has recently been changed to essentially match the unrestricted SAT rule.
In a nutshell, here is what you need to know:
All features, apps, and user-installed programs are permitted for use, without restriction, on any model of the Ti-84 graphing calculator family (including the powerful Ti-84 Plus CE model) on the SAT, the SAT Math Subject Test (Levels 1, 2), and the ACT.
Below are links to current policies:
SAT Calculator Policy (updated: 2018)
ACT Calculator Policy (updated: 7/1/2017)
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