Hello everyone.

Here I present an app of my authorship, which allows you in an easy, convenient and quick way to calculate different percentages of gain or loss depending on an entry or initial amount.

It's called Crypteris , and it's available for Android on Goole Play. You can download it from here

https://cdn.steemitimages.com/DQmWrAqg8JKQQqq1A1XWy6XZDQ8fbXGKyJ7GMveZs6FbUXN/image.png

How does it work?

Very, very easy.

There are 3 ways that Crypteris can calculate the percentages of gain or loss.

1.- From 1% to 50%.

https://cdn.steemitimages.com/DQmV73bpso9PzCo3EVgY5Wie1uayjBU3HdBVkvDbdbeY9Mw/image.png

Source: property of @alfredogarc

The first way is to place the entry or purchase in satoshis (whole) or in BTC at the top of the screen. If you place satoshis, for example 709500, Crypteris will format the value in BTC: 0.00709500.

By clicking on the calculator image, in the upper left, you will proceed to make the calculations from 1% to 50%, both in profit or loss. In the image above you see the gains. In the following the losses:

https://cdn.steemitimages.com/DQmekYQzjwWVzfifwa4yWg313E3W4Z6DYPm8EJS85TWPfER/Screenshot_1.jpg

Source: property of @alfredogarc

2.- Purchase / Sale
You place a purchase price or initial entry, a starting price, the one you want, you press the image of the calculator just to the right and you will obtain the respective percentage of profit or loss.

https://cdn.steemitimages.com/DQmdv9nMhdCGLnZYtvWkH7d2u1xu8D8vFFXLbKKHwd5V2PG/2018-05-27_15-39-48.jpg

Source: property of @alfredogarc

You can adjust the purchase and sale values ​​by pressing the button marked with the arrows. Very easy.

3.- By%
You place a purchase price, a desired percentage (positive or negative), you press the image of the calculator just to the right and you will obtain the value of the sale.

https://cdn.steemitimages.com/DQmZGJGBQ5jw7NB3TGDf2aSDzRbrf23rpJbpUeZRGufPWhp/Screenshot_3.jpg

Source: property of @alfredogarc

Each calculated value, in the 3 ways of calculation, you can copy it to the clipboard by means of the copy button:

https://cdn.steemitimages.com/DQmSA7y6SxfkdWWphbqStVAsYFFr1AUXnyZ3pHwAmReZv6j/2018-05-27_15-48-27.jpg

Source: property of @alfredogarc

Settings
Crypteris, can be set to take into account the fee of your preferred exchange. It is done through the settings screen, from the menu:

https://cdn.steemitimages.com/DQmUF4BsiV8M1YWqciFcb4P7p7T4NrF1ZxPm5VZLwBVt2Vp/Screenshot_4.jpg

Source: property of @alfredogarc

You can also configure, for the first way to calculate the percentages, how much the respective calculation will do. If you want to calculate up to 500% profits, or up to 30% losses you can configure it like this:

https://cdn.steemitimages.com/DQmQV88LmYAZZH1KBJstSADNYrN32wT8nUdBQouiiZujxFh/image.png

Source: property of @alfredogarc

If you want to configure the bittrex fee for example, at 0.25% per transaction you place it at the bottom of the Settings screen.

It also has a BTC to USD converter, and vice versa. Access it through the menu:

https://cdn.steemitimages.com/DQmajNzgbeAcpaPJQtPhmPhiGxdKs41o4WYpEL1H6AkLWYu/image.png

Source: property of @alfredogarc

Calculate the value in USD at the current rate present in coinmarketcap.

Crypteris has a help, which explains very easy its operation in the entry of purchases and how to clear the boxes.

https://cdn.steemitimages.com/DQmajNzgbeAcpaPJQtPhmPhiGxdKs41o4WYpEL1H6AkLWYu/image.png

Source: property of @alfredogarc

It is available in: Spanish, English, German, Portuguese, French, Italian, Chinese and Japanese. Soon in Russian and Arabic.

https://cdn.steemitimages.com/DQmWYUGUwFoQdaqpRVGjC9FoeZYDdfE3KjNfJSUXjzgRBrg/image.png

Source: property of @alfredogarc

I hope you download it and enjoy it.