- 1). Press the "mc" button on your LeWorld calculator to reset the calculator's memory feature.
- 2). Press the "m+" button on your calculator.
- 3). Add one to the tax rate and enter this number on your calculator. For example if the tax rate is 8.25%, enter "1.825" on your calculator. This will set the tax rate in your calculator's memory.
- 4). Press the "AC" or "Clear" button on your calculator.
- 5). Enter the price of the product or service you want to apply the tax rate to and press the "X" button on your calculator. For example, if a product cost $10, enter "10X."
- 6). Press the "mr" button on your calculator to apply the tax rate set in the calculator's memory.
- 7). Press the "=" button on your calculator to display the answer to your tax problem or the price of the item or service including the tax.
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