How To Set Tax Rate In Casio Calculator 【TESTED × REVIEW】

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.

This procedure applies to most Casio calculators with TAX+, TAX–, SET, and % keys, including but not limited to:

These calculators do not have a physical switch. Instead, they use a key sequence.

This is the most common scenario for cashiers and small business owners. Follow these steps precisely.

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%. how to set tax rate in casio calculator

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

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

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. Let’s say you live in New York where the sales tax is 8

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.

Step 1: Turn on the calculator and press the AC (All Clear) button to reset any pending operations.

Step 2: Press and hold the TAX SET button (sometimes labeled RATE SET) for about 2-3 seconds. The display may show "0" or "SET" flashing. This works perfectly for any fractional tax rate

If nothing happens, look for a small recessed button labeled 'TAX SET' near the top right. You will need a ballpoint pen to press it.

Step 3: When the display changes (e.g., shows "TAX %" or a blinking number), type your tax rate using the number keys. Example: type 8 . 5 for 8.5%.

Step 4: Press the TAX SET button again. The calculator will beep or flash, confirming the rate is stored.

Step 5: To check the stored rate, simply press TAX SET once without holding it. The display will temporarily show the current tax rate.

Example with 10% tax: 110 TAX– → Shows 10 (tax), then 100 (net price).