Joule Calculator 1.1

the author of this app says:

Returns JOULE value, knowing a bullet weight (exp. in grams) and its speed (expressed in meters per second m/s).

Knowing the JOULE value of a weapon and the weight of the bullet, it determines the own speed in m / s. , as well the weight (exp. in grams) if you input its speed.

It is also possible to input from 1 to 4 different speed of bullets, and obtain an averaged JOULE value.

What's New in version 1.1

New implementation:

Bullet speed in feet per second (ft/sec.) or meter per sec. (m/s)
Bullet weight in "grain" or "gram".

These changes are defined by a dedicated button.

All reverse calculations are possible on both measuring systems.

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E' stata implementata la possibilita' di inserire la velocità' dei proiettili in ft/sec (feet per second) come pure il loro peso in grain, selezione attivabile con un apposito bottone.

I calcoli inversi sono pure possibili ottenendo i risultati con entrambi i sistemi di misurazione.

Requirements

Requires iOS 3.2 or later