What calculator is used in high school?

Written by Editorial Team | Last Updated: August 2026

High school mathematics and science classrooms commonly require specific scientific or graphing calculators depending on the grade level and course curriculum (such as Algebra, Geometry, Trigonometry, or AP Calculus). The absolute industry standard required or recommended across most American high schools is the Texas Instruments TI-84 Plus or TI-84 Plus CE graphing calculator. For general math and lower-level science courses where graphing calculators are not mandatory, schools frequently specify advanced scientific calculators such as the Texas Instruments TI-30XIIS or the Casio fx-300ES Plus, prized for reliability and affordability.

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