By following these steps, you should be able to set the tax rate in your Casio calculator accurately. If you're still unsure, consult your calculator's user manual or contact Casio customer support for assistance.
If you own a Casio calculator—particularly a desktop printing calculator like the , DR-210TM , FR-2650RC , or a non-printing model like the MS-80F —you have likely noticed the TAX+ , TAX- , and TAX SET keys. These buttons are incredibly useful for quickly adding or subtracting sales tax (VAT/GST) from a transaction. how to set tax rate in casio calculator