Figure 3. Example of the PISA 2021 editor tool
150. The suite of tools available to students is also expected to include a basic scientific calculator.
Operators to be included are addition, subtraction, multiplication and division, as well as square
root, pi, parentheses, exponent, square, fraction (y/x), inverse (1/x) and the calculator will be
programmed to respect the standard order of operations.
151. Students taking the assessment on paper can have access to a hand-held calculator, as
approved for use by 15-year-old students in their respective school systems.
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