How To Set Tax Rate In Casio Calculator Jun 2026

| Problem | Likely Cause | Solution | |---------|--------------|----------| | TAX+/TAX– not working | Tax rate = 0% | Set a valid rate > 0 | | Rate not saving | Did not press TAX+ after entering number | Repeat procedure and press TAX+ before exiting | | Shows "E" or error | Wrong key sequence | Turn off calculator, restart procedure from AC | | Model doesn't have TAX keys | Wrong calculator type | Use manual percentage calculation: Price × (1 + rate/100) |

100 TAX+ → Shows 10 (tax), then 110 (total). how to set tax rate in casio calculator

Certain Casio models, such as or financial series , may require slightly different inputs: | Problem | Likely Cause | Solution |

On some older Casio models, you must press [AC] twice before holding the [%] key. If your calculator does not have a "SET" label above the percentage key, look for a small hole on the back or side of the calculator labeled "SET" and press it with a paperclip. then 110 (total). Certain Casio models