how do you work out percentages on iphone calculator

how do you work out percentages on iphone calculator

how do you work out percentages on iphone calculator

how do you work out percentages on iphone calculator

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How to use the Calculator app on iPhone

Whether you need to add or subtract, the Calculator app’s got your back.

The iPhone’s stock Calculator app has gotten a bit of press lately for its swipe-to-delete gesture, but it’s been a longtime workhorse on the iPhone — in fact, it’s been around since the launch of Apple’s very first model in 2007.

Throughout the years, the Calculator’s look and feel has changed somewhat, but its core functionality remains the same: To help you quickly add, subtract, and square up sums and figures.

Here’s how you can use some of the Calculator app’s basic features — and some of its hidden gems.

How to launch the Calculator app

You can access the Calculator app in four different ways on the iPhone: via the Calculator app icon, Siri, Search Bar, or Control Center.


How to launch the Calculator app from Control Center


For everything from home repair and improvements to splitting up the dinner bill, you can get to the calculator with just a tap.


  1. Swipe up from the bottom bezel onto the screen to bring up Control Center.
  2. Tap the Calculator button on the bottom, second from right.Fun fact: You can also firmly press (3D Touch, iPhone 6s or later) on the Calculator icon if you’d like to copy your last calculation from the app.

How to launch the Calculator app via the Home Screen, Siri, or Search Bar

To launch the Calculator app from your Home Screen, you can do one of three things:

  • Find the Calculator app icon on your Home Screen
  • Open the Search bar by swiping down from the center of your Home Screen and type in “Calculator”
  • Ask “Hey Siri, open the Calculator app”


how to figure out percentages on iphone calculator


How to use the Calculator app

When you first open the Calculator app, you’re presented with the basic Calculator interface: A 10-digit (0-9) virtual keypad with controls for decimals, clearing the equation, adding positivity or negativity to a number, turning a number into a percentage, dividing, multiplying, subtracting, adding, and calculating an equation.

How to undo an erroneous number

Accidentally tapped an 8 when you meant to tap 9? It’s an easy fix. Note: This only works for the numerical keypad (0-9) and the decimal point button; if you accidentally hit any of the math operations buttons, you won’t be able to use this gesture.

  1. Enter your numbers.
  2. If you make a mistake, swipe left on the black display to erase the most recent number or decimal point.
  3. Continue to swipe left if you wish to delete all numbers on the display screen.

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How to add, subtract, multiply, or divide in the Calculator app

  1. Enter your first number.
  2. Press the Plus, Minus, Multiply, or Divide button.
  3. Enter your second number.
  4. Press the Calculate button.


ow to calculate a tip in the Calculator app

  1. Enter your bill cost.
  2. Press the Multiply button.
  3. Enter the tip percentage you want (i.e. 20 for 20%).
  4. Press the Percentage button. This will convert your tip number into a decimal (i.e. 20% = 0.2).
  5. Press the Calculate button. This number is your tip amount.
  6. To see your total amount with tip included, tap the Plus button.
  7. Type in your original bill amount.
  8. Press the Calculate button. This number is your total.


How to use the scientific calculator

The Calculator app also comes with a somewhat-hidden scientific calculator mode. To access it, rotate your iPhone from portrait into landscape mode; as long as your Rotation Lock button is disabled, the calculator screen should shift into a landscape display with new buttons for square roots, exponential equations, logarithmic equations, trigonometry, and more.


Spoiler: I’m not going to explain how to use a scientific calculator to calculate specific equations. If you want to learn more about advanced mathematic equations, I suggest visiting Khan Academy or your local library, or emailing your old mathematics teachers.



how to figure out percentages on iphone calculator


How to switch the iPhone Calculator to a scientific view

Most cell phones have calculators today, but iPhone offers a full-function scientific calculator too. To open the scientific calculator, turn your iPhone to landscape view. (If you have locked your iPhone in Portrait view, this won’t work until you unlock it: swipe up from the bottom of the screen to open the command center and tap the Orientation Lock button.)

Here you’ll find the memory commands:

  • mc clears any numbers you have in memory.

  • m+ adds the number on the display to the number in memory.

  • m- subtracts the number on the display from the number in memory.

  • mr (memory replace) uses the number you put in memory in your current calculation. The button is outlined in black when a number is stored.

Two keys on the calculator toggle the other keys:

  • 2nd: Tap to change trigonomic (sin, cos, tan) and hyperbolic functions to the inverse. The button is outlined in black when active.

  • Rad/Deg: Tap to switch between Radians and Degrees for trigonomic functions. Deg or Rad in the left corner of the number display tells you what mode you’re in.

You find keys that calculate square, cube, and other roots, decimal and Naperian logarithms, and factorials, as well as generates random numbers.


how to use percent on iphone calculator ,


Bonus Tip for Apple Watch Users

The Calculator app on Apple Watch comes with a couple of additional features that make short work of calculating how much you should tip and how much each person in a group owes if you’re splitting a bill.

The steps below show you how it’s done. Note that the two features can be used together, but you can also use them independently by selecting a 0% tip and changing the number of people, or changing the tip and leaving the People field set to 1.

  1. Launch the Calculator app on your Apple Watch.
  2. Enter the total amount of the bill.
  3. Tap the TIP button in the top-right corner, just left of the divide button.
  4. With the Tip field highlighted in green, turn your watch’s Digital Crown to change the percentage.
  5. To split the bill between a group of people, tap People and then use the Digital Crown to change the number (the maximum is 50).

1. Swipe to Delete Numbers

It’s a common misconception that if you type the wrong number into the Calculator app, you have to start the whole sum all over again. Happily, that isn’t the case: Simply swipe right or left with a finger across the number display to remove the last number you typed, and repeat the action if necessary to remove several numbers.


2. Scientific calculator

The default calculator app includes a built-in scientific calculator that you can use to perform logarithms, square roots, trigonometric calculations, and more advanced math equations.

how do you work out percentages on iphone calculator

To access the scientific calculator, simply rotate your iPhone to landscape mode. If it’s not showing up, make sure the portrait orientation lock is disabled in Control Center. To switch back to the regular calculator, rotate your phone to portrait mode.

3. Copy and Paste

You don’t need to memorize the results of your calculations to input them into other apps. Use the clipboard functions instead – just long press on the number field to copy or paste the result.

how do you work out percentages on iphone calculator
how do you work out percentages on iphone calculator

4. Copy Last Result

If you’ve switched to another app, you can still quickly paste the last figure that you calculated without returning to the calculator to copy it.

how do you work out percentages on iphone calculator
how do you work out percentages on iphone calculator

Using either a swipe up or a swipe down, launch the Control Center on your iPhone, then long press the Calculator button, and you’ll see a handy option to Copy Last Result.

5. Spotlight Calculations

Did you know that calculator functions are built into Spotlight Search on your iPhone?

how do you work out percentages on iphone calculator
how do you work out percentages on iphone calculator

Simply swipe down from the Home screen to bring up Spotlight, and you can perform basic calculations by typing them directly into the Search field at the top of the screen without having to open the Calculator app.



From Wikipedia, the free encyclopedia

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In mathematics, a percentage (from Latin per centum “by a hundred”) is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, “%”, although the abbreviations “pct.”, “pct” and sometimes “pc” are also used. A percentage is a dimensionless number (pure number); it has no unit of measurement.

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