The application is used to calculate the characteristics of a cartridge, such as the energy, the length of the barrel, the size of the cartridge case, and the velocity of the projectile. The application is based on the calculation of all these characteristics.

The first step is to choose the type of weapon. There are three options: pistol, rifle, and shotgun.

After that, you need to select the caliber of the weapon and the type of ammunition. The next step is to select the method of calculation. You have three options: all, the gun, and the test.

You need to enter the size of the chamber of the weapon and the angle of the shot. After that, you need to enter the speed of the bullet.