HANDBOOK: HOW TO USE YOUR TI BA II PLUS CALCULATOR

5. The reset button [2nd] [RESET]. The reset button serves to reset all calculator presets [P/Y], [FORMAT] to their factory default values. If you feel that you’ve accidentally altered your calculator’s presets in a way that could be detrimental, simply press [2nd]→[RESET]→[ENTER] to … ................
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