HOW DO I CHANGE GST TAX RATE ON CASIO MS-8TV CALCULATOR

The verb that pertains to subtraction is to subtract.

Press AC twice. Hold down % set key for about 2 seconds until ?0? disappears on screen, then reappears. Press Tax Rate key. Input tax rate (12.5%) and press % set key.

god is gr8

This works on several different casio calculators
Press AC butoon
Press AND HOLD % /Rate Set button for 2 to 3 seconds - This is important
Press Tax+ button
Input the tax rate you want eg: 12½% = 12.5
Press the % /Rate set button again

Voila

Hi there,

Press AC first, then hold down the RATE SET % button for 2 seconds, then input the rate and press RATE SET % button again

And you should be away :-)

From CASIO FAQs:

How do I program tax rate into my calculator?

Non-printing models (also applies to HR-8TE printing calculator):

1. Press [AC]
2. Hold [SET/%] key for about 2 seconds
3. Press [TAX+]
4. Input the tax rate
5. Press [SET/%]

SETTING YOUR TAX RATE
you hold your set % button down for three seconds until set shows again, then hit tax rate button it shows your tax rate, change your tax rate then hit set your tax rate should be set.



cliff notes:
hold set% button
hit tax+ button
change the desired % 
hit set done


Do rate the solution.

Non-printing models (also applies to HR-8TE printing calculator):

1. Press [AC]
2. Hold [SET/%] key for about 2 seconds
3. Press [TAX+]
4. Input the tax rate
5. Press [SET/%]

SETTING YOUR TAX RATE
you hold your set % button down for three seconds until set shows again, then hit tax rate button it shows your tax rate, change your tax rate then hit set your tax rate should be set.



cliff notes:
hold set% button
hit tax+ button
change the desired %
hit set done

step 1 pess the AC button step 2 press and hold for two seconds the % button step 3 press the tax+ button step 4 input 17­.5 step 5 press the % button that should be the tax set you can check it is set correctly by pressing the AC button and then the tax+ and 17.5 should be displayed