Question about Sharp EL-334FB Calculator

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+/- Tax button has stopped working

Our +/- Tax button has stopped working on this calculator. Is there a way to programme it back in? Thanks Rachel

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  • Anonymous Sep 23, 2008




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Our calulator has the word "set" on the % button. If we hold that button in for a few seconds it shows set on the screen, then push the tax plus button and the amount comes up that it is set at, you can change it to what you need, we need 5.92 % so actually had to type in 5.92. Then push the set button 2 times! Hopefully this helps you. Good luck.

Posted on Dec 15, 2007


Press C.CE C.CE RATE SET (tax ie 17.5) then RATE SET

Posted on Oct 02, 2007


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1 Answer

How do i change the % tax on a casio hr150-tm? thanks, shaun

put calculator in print mode
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press the AC button again and you should be good to go! :)

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Press and hold SET button untill set appeares.
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enter your number and hit the plus sign, then the tax+ button or the tax- button. it will automatically figure the tax for you. You may have to play with it a bit..I got the pdf version from the canon tech geeks, and the directions leave lots to be desired. Good Luck!

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Tax manual

You can download the manual from the manufacturer's web site at

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Tax rate

Here are the steps to do it:
1. Enter the desired tax rate number. E.g. 6
2. Press blue "RATE" button and TAX% sign will start blinking.
3. Press "TAX-" button and the TAX% sign will stop blinking.
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Non-printing models (also applies to HR-8TE printing calculator):

1. Press [AC]
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3. Press [TAX+]
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1 Answer

Setting tax

try switching the top button next to GT to rate,then enter your tax rate then % (8.25%) then switch the top button back to on (or whereever you had it set to) and hit the tax+ button. That worked for me. GO TEXAS!!!

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Changing the % tax setting on my Casio calculator

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