SOURCE: Can you get parts for the Casio HR-100TE calculator?
I was able to order the part I needed at Americanperfit.com
Thanks
SOURCE: CHANGE TAX %+ & TAX- ON MY CASIO JF-100TE CALCULATOR
1. Press [AC]
2. Hold [SET/%] key for about 2 seconds
3. Press [TAX+]
4. Input the tax rate
5. Press [SET/%]
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