How To Set Tax Rate In Casio Calculator

He then pressed the TAX+ button to store it. The calculator beeped (or briefly showed “SET OK”). The display returned to normal, now showing “TAX %” = 10.00%.

To double-check, he pressed TAX RATE (or AC followed by TAX RATE on some models). The screen showed 10 – success.

Setting the tax rate on a Casio calculator is a straightforward process. Users must identify the correct RATE or TAX SET key for their specific model. The procedure generally involves entering the desired percentage, pressing the rate key, and confirming with either the TAX+ or TAX SET key.

For further assistance, refer to the specific user manual for your Casio model, as key labeling may vary slightly by region and product generation.

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Before I tell you the story, there is one very important detail you must know: Not all Casio calculators can store a tax rate.

If your calculator has a button labeled TAX+ or TAX-, you are in luck. If it does not have these buttons, it cannot be programmed.

Here is the story of how the "Tax Button" came to life.

Arthur held his breath. He pressed the SET button again (or sometimes the % button, depending on the model) to lock the number in. He then pressed the TAX+ button to store it

The screen flashed, beeped, and returned to 0.

Arthur wasn't sure if it had worked. He typed a simple number: 100.

Then, with a trembling finger, he pressed the TAX+ button.

Magic.

The screen instantly changed to 108. The calculator had automatically added the 8% tax. He pressed the TAX- button, and it showed him the tax amount (8).

Arthur smiled, leaned back in his chair, and finished his work in half the time.

Let’s say you live in New York where the sales tax is 8.875% (a common tricky rate). Here’s how you would set it on a Casio DR-210TM:

This works perfectly for any fractional tax rate up to four decimal places. Arthur held his breath