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Many events allow calculators of various types. The decisions of the Event Supervisor(s) are final.

Class I Calculator

Calculator Classes

Class I - Stand-alone non-graphing, non-programmable, non-scientific 4-function or 5-function calculators

These are the most basic type of calculators. They are limited to the four basic mathematic functions and square roots. They are often cheap, costing as low as a dollar online.

Class II - Stand-alone non-programmable, non-graphing calculators

They do not have the "EXE" button, "Prog" button, or a "file" button.

Class II Calculator

Examples: CASIO FX-260, Sharp EL-501, TI-30X, TI-34, Texas Instruments BA II Plus

Class III - Stand-alone, programmable calculators

To identify a stand-alone non-graphing, programmable calculator, look for the presence of the ‘EXE’ button, the ‘Prog’ button, or a ‘file’ button. Examples include but are not limited to: Casio Super FXs, numerous older Casio models, and HP 35S. A calculator of this type with the buttons labeled is shown to the right.

Class III Calculator

Examples: Casio 975 0/9850/9860, HP 40/50/PRIME, TI 83/84/89/NSPIRE/VOYAGE

Class IV - Calculator applications on multipurpose devices

Events that Allow Calculators

Note: Any event that allows a calculator class will allow all lower calculator classes, including no calculator.


Class I

Class II

Class III

Class IV

2019 Calculator Events
2018 Calculator Events

Starting 2018, all calculators must be dedicated to computation.

2017 Calculator Events

See Also

Note Sheets
Safety Glasses Calculator Guide (2021), check the Rules Manual for an updated version