## How do I fix my calculator on my iPhone?

Click on the Settings icon and then click on the General Click on the General option. What is this? Now click on the iPhone storage option and scroll down and select the Calculator + application. Let the process complete, once it is done click on the reinstall button and the application will reinstall.

### How do you do COS 1 on a calculator?

Explanation:

- Press the “2nd” button to be able to access the cos−1 function. The word “2nd” show up in the bottom left hand corner of the screen.
- Press the “COS” button to access the cos−1 function.
- Enter your number with the number pad.
- Press the “Enter =” key to return the result.

**Why does my iPhone calculator have a comma?**

Tap Forms behind the scenes should be handling the comma as a period for data storage which is why it appears correctly because you’re using English in other places. Try changing the keyboard away from French to an English keyboard and see if that fixes the keyboard display.

**Why is my scientific calculator giving me the wrong answer?**

Check the batteries. Check that you are pressing the correct keys. Check it is in the correct input mode. Replace it.

## What is the value of Cos inverse 1?

The Value of the Inverse Cos of 1 As you can see below, the inverse cos-1 (1) is 0° or, in radian measure, 0 . ‘1’ represents the maximum value of the cosine function. It happens at 0 and then again at 2Π, 4Π, 6Π etc..

### What is fix mode on calculator?

Fixed decimal place mode (Fix) displays all decimal numbers to a given number of decimal places (unless scientific notation is needed to fit the result on the display). This mode is entered using (SETUP) (Fix) followed by the number of decimal places required, for example .

**Why does my calculator on my iPhone have a comma instead of a decimal?**

**Why is my phone showing commas instead of periods?**

If you go to keyboard settings, Smart Typing, and turn off Auto Punctuate, that should do the trick. This feature inserts a period and space when you hit the spacebar twice. Chances are, when you hit the comma, it registers as a spacebar and when you hit the spacebar again it inserts the period.

## Is a calculator ever wrong?

I think most people would say that barring any physical damage to the calculator (dropping it, exposing it to extreme heat or cold, etc.), all calculators are accurate 99.99% of the time.

### How do you write COS 1 on a calculator?

**How do you get Cos 1?**

The value of cos 1 degrees can be calculated by constructing an angle of 1° with the x-axis, and then finding the coordinates of the corresponding point (0.9998, 0.0175) on the unit circle. The value of cos 1° is equal to the x-coordinate (0.9998). ∴ cos 1° = 0.9998.