Casio sl - 1100tv % button

Dual power, so solar and battery. Remove the screws on the back. It will be some type of button battery.

Casio Electronic Calculator Dual Leaf SL-200 High Power ...

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Vintage Retro Casio SL-200L Dual Leaf Two Power Electronic Calculator. $4.25. + $6.75 shipping. Casio Solar Calculator Dual Leaf SL-200 Black Solar Powered ...
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That is not how you sign in.
Turn the key to REG mode.Type your sign in number. If no PIN numbers have been changed, the sign in is 1.Press the CLK# button.
If anyone needs more information, the Casio TE-2200 and TE-2400 manual is here:
http://the-checkout-tech.com/manuals/cashregisters/Casio5.php

Try this: Turn key to program mode 0 CASH SUBTOTAL 3 SUBTOTAL 0 CASH SUBTOTAL
This should remove the preset amount from the CASH button. Now it should work normally when finishing the sale.
Now turn back to REG mode when entering the price, DO NOT use a decimal, so type 2000 for 20 dollars. Now press a PLU (item) button. SUBTOTAL Type the amount received (NO DECIMAL, so 5000 for 50 dollars) Press CASH Change should be displayed, and drawer open
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Looking for a manual for a Casio TE-2200, TE-2400 cash register? Go here:
http://the-checkout-tech.com/manuals/cashregisters/Casio4.php

Try this: Turn key to program mode 0 CASH SUBTOTAL 3 SUBTOTAL 0 CASH SUBTOTAL
This should remove the preset amount from the CASH button. Now it should work normally when finishing the sale.
Now turn back to REG mode when entering the price, DO NOT use a decimal, so type 2000 for 20 dollars. Now press a PLU (item) button. SUBTOTAL Type the amount received (NO DECIMAL, so 5000 for 50 dollars) Press CASH Change should be displayed, and drawer open
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If anyone needs a manual for a Casio TE-2400 cash register, go here:
http://the-checkout-tech.com/manuals/cashregisters/Casio4.php

FINALLY figured out how to change the tax rate! Press AC. Press and hold the Rate Set (%) button UNTIL THE CURRENT TAX RATE IS DISPLAYED. Enter the new rate you want (such as 7.5). Press the Rate Set (%) button again.

Example if you want to charge a person 8% of $20 dollars just multiply 20*1.08=21.60 and that gives you the total amount to charge them.

If your total amount is 20 and you charged 8% and want to know the before tax amount you do the opposite 20/(1.08)=18.52

Big calculators work a little different than handheld calculators. Like the above commentor explained, if you have a basic "whats 100 minus 20?" You have to entered as 100 + 20 -- And when you hit the minus button at the end, it will give you the total. 100 is the positive number, and the 20 is the negative number that your subtracting. Also you can hit 20 -- 100 + and get the same total because you entering 20 as the negative and 100 as the positive, just in reverse.

Hi.
You need to press SUBTOTAL before you type the amount received. Are you doing this?

Mark

Press the [ac] button, then press and hold the [tax+] button for a second or two. Then enter the tax rate you want as a percentage. You would enter 8.25% sales tax as 8.25 for instance. Then press the [%] key to set the rate. Notice that printed above the [tax+] button is "tax rate" and above the [%] key is "rate set" as a reminder of which key to press.

Hi. Sorry, I've been busy. Just got back to your message.
If you want to reset all of the PLUs (quantity and amount) in the usual way, then you turn to Z mode, then type the PLU reset number. I can't remember which code it is. Try typing 12 then press CASH. If you get the wrong report, then type 13 then CASH and so on. I think it might be 15 CASH but it's been a while since I did them. When you see 'PLU' at the top of the report then you have the right one.
This won't affect your programming. It will just reset the sales totals for each PLU.