Calculator with Sound

Thiscalculatorappproducesdifferentsoundswhenyoutouchbuttons.Thismakesiteasiertorecognizewhichbuttonyouaretouching,andchangescalculationintoamusingexperience.
Also,thespecialfunctionstocalculatetaxesanddiscountsreallyhelpyourshopping.

[Touchsounds]
-Selectsound(phoneandacousticguitar)
-Assigneachbuttonasoundasyoulike
-Turnon/offsounds

[Discountcalculation]
-Quickcalculationbytouching12buttonswithdiscountpercentages
-Displayboththefinalpriceandtheamountofmoneysaved
-Inputthefinalpriceintoanexpressionandcontinuetocalculate

[Taxcalculation]
-Calculateataxwithoneclick
-Displaytheamountofatax

[History]
-Saveanexpression,thedateandtimeeachtimeyoutouchthe'='buttonor'TAX'buttons.
-Deletethehistoryonebyone
-Deletetheentirehistory
-Inputexpressionsfromthehistoryintothemainscreenandcontinuetocalculate
-Copyexpressionstoclipboard
-Shareexpressions

[Settings]
-Taxrate(thedefaultvalueis8%)
-Wayofroundingtheamountoftaxes
-Wayofroundingdiscounts
-Donotsavehistory
-Keepscreenon

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