= Organized contents =
Industrial Safety Engineer 2003-2022: 7,080 questions
Industrial Safety Engineer 2012-2020: 2,900 questions
Construction Safety Engineer 2011-2022: 4,200 questions

We organized it by subject so that you can easily review the subjects you are weak in.
The year-by-year view allows you to easily calculate averages to see where you stand.

= Program Features =
1. Progress support – You can see how far you have solved problems by subject and year, so you can intuitively know your learning status.

2. Favorites and incorrect answer notes supported – Favorites and incorrect answer notes are supported separately. You can manage questions that are confusing or important by adding them to favorites, and you can learn by adding questions that you got wrong to the wrong answer note and then deleting the questions that you got wrong while repeating the study.

3. Automatic grading support – With the introduction of a filter, you can only look at the questions that were answered correctly or incorrectly. You can view the score at any time by clicking ‘View results’ in the menu and quickly access the desired question.

4. Supports various options – You can create an organized screen or a detailed screen with various options. Take advantage of various optional features.

= Program Description =

Select the icon you want to learn from the tab menu at the bottom of the screen.
Select a folder or subject in the center of the screen.
Once you select a subject, you will begin solving problems.

You can see the correct answer as you solve the problem. You can also use the '+' button to add it to your favorites. If you select automatic progression in the options, each time you solve a problem, it will automatically advance to the next problem.

Once you solve all the problems, you will be graded. You can see the incorrect and correct questions on the grading screen, and the incorrect questions can be added to the incorrect answer note.

Favorites and incorrect answer notes briefly display problem information, so you can opt out of viewing them if you don't need them.

[Essential access rights]
- Save: Stores information on problems solved by the user within the app, and stores comprehensive problem-solving information such as personal information related to the problem, such as ‘favorites, incorrect answer notes’ and scores.
- WIFI connection information: Detects Internet connection status and uses it to send advertisements.
- In-app payment: Used to remove ads or use other services if necessary while using the app.