Professional Percentage Calculator is the best percentage calculator that you can get. It is designed to be an effortless, one-touch, easy to use calculator. No filling in text boxes. No wheel rotations. No tiny keypads. Just fast, one-touch buttons just like on a real calculator. You can do an entire calculation in around 3 seconds or less. And it uses natural human language, so it is really easy to use. It also has a built-in standard arithmetic calculator, so you can do all your standard calculations and percentage calculations on this same app.
This app is a universal app, so it works on both the iPhone and the iPad.
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* ONE-TOUCH BUTTONS: Large one-touch specialized percentage buttons, just like on a real calculator. Percentage functions only require one tap of a button. No text boxes to fill out. No tiny keypads. No wheels. No sliders. Just buttons to press like on a real calculator.
* COMPREHENSIVE PERCENTAGE FUNCTIONS: A comprehensive set of 8 percentage functions, covers all you'll ever likely need, including '% Of', 'Add %', 'Deduct %', '% Change', 'Out Of' (e.g 3 out of 4 = 75%), 'Original Value After x% has been Added', 'Original Value After x% has been Deducted', and others, to make a complete and comprehensive set of percentage functions. See buttons on the first two screenshots to see these function buttons.
* BUILT-IN STANDARD CALCULATOR: Built-in standard arithmetic (+,-,x, ÷) calculator to use in conjunction with the Percentage functionalities, so you can do both your normal calculations and percentage calculations on this same app
* NATURAL LANGUAGE: Natural human language is used. For example: "From 1,236.88 To 2367.88 = 86.90% Increase" or "23.67% of 65,677.78 = 15,545.93", to make the calculator really easy and a pleasure to use.
* REALLY EASY TO USE: Live instructions appear onscreen, and valid buttons are highlighted to guide you. You can't go wrong
* CURRENCY MODE: Allows you to have currency symbols automatically added when calculating money amounts, so you can do eg. "25.6% of $2,566.8 = $657.10" , or "£2,668.77 Add 23.56% = £3,297.53" . Supported Currencies are: Dollar, Pound, Euro, Yen. You can turn currency mode OFF at any time.
* ADDING MACHINE is also built-in, so you can quickly and easily add up a long list of numbers (e.g. bills, expenses, earnings, etc…) . The Adding Machine will give you the cumulative GRAND TOTAL of all the entries, and the AVERAGE value of the entries, plus HIGHEST value and LOWEST value of the entries.
* MEMORY: Built-in multiple MEMORY functionality. 3 memories are available. You can store up to 3 numbers. Very useful.
* TAPE: Tape of calculations is available. The last 100 calculations are recorded onto tape, so you can go back and see what you have calculated, or see if you mistyped a number. You can delete specific records from the tape and you can Add Notes to records
* EMAIL: You can email the Tape, and you can Copy the tape to paste to other apps such as the Notes app
* INTERNATIONAL FORMATS: International formats available, such as 1,000.00 or 1.000,00 so formats for most regions of the world are available
* CUSTOMIZABLE: Skin of the calculator can be changed.
- iPod Touch