How do I set the tax rate on a casio df-120te?

SOURCE: casio MS-120TE tax rate

How do I program tax rate into my calculator?
Non-printing models (also applies to HR-8TE printing calculator):

1. Press [AC]
2. Hold [SET/%] key for about 2 seconds
3. Press [TAX+]
4. Input the tax rate
5. Press [SET/%]

SOURCE: casio MS-120TE tax rate

Look for "RATE SET" it is usually located on the % button. Press and hold the button and when the display comes up just the press the desired rate then press "RATE SET" again then clear

SOURCE: Change VAT rate

First press the AC button, then the % (Set) button for 2 seconds (it will display the rate) change it to what you want and press set rate again.

If you don't have an AC button, then press the C/AC button twice.

SOURCE: How do i set the rates, Casio DF-120TER

1. Press [AC]
2. Hold [SET/%] key for about 2 seconds
3. Press [TAX+]
4. Input the tax rate
5. Press [SET/%]