The video introduces the concept of fingerprint classification and the use of a classification formula to organize fingerprint records. This system, originally from the FBI, helps in maintaining an accurate record-keeping system for fingerprints.

The classification formula consists of six divisions: Primary, Secondary, Sub-secondary, Major, Final, and Key. It's important to remember these divisions as they form the backbone of the classification process. While Primary classification uses numerical values, other divisions incorporate letters to represent different patterns.

The Primary Classification involves assigning numerical values to whorl patterns found on fingers. Fingers are grouped into pairs (1&2, 3&4, etc.), and values like 16, 8, 4, 2, and 1 are assigned. A sum of these values, plus one over one, gives the final primary classification. Loops and arches are assigned a zero value in this calculation.

Secondary Classification utilizes letters to represent fingerprint patterns. Capital letters (U, R, A, T, W, C, D, X) are used for index fingers, while small letters represent specific patterns in other fingers. The right and left index fingers are crucial in determining the capital letter for this classification.

Sub-secondary classification involves ridge counting for loops and ridge tracing for whorls. For loops, the ridge count determines the classification (I for inner, M for middle, O for outer). For whorls, tracing the ridges from a delta to another delta or across a delta determines if it's inner (I), meeting (M), or outer (O).

Major classification focuses on the thumbs. It uses ridge counts for loops and ridge tracing for whorls on the right and left thumbs. The combination of these counts or traces results in a specific classification. For instance, a ridge count of 16 or more in the left thumb leads to a 'Large' classification.

Final classification is determined by the little fingers. For loops, the actual ridge count is used. For whorls, the ridge count from the left delta to the core is used. This classification appears at the extreme right of the classification line and is usually a numerical value representing the ridge count.

Key classification is taken from the ridge count of the first loop pattern appearing in any finger, starting from the right thumb. If there are no loops, then the key classification is typically based on the first whorl with a clear ridge count. This classification is placed at the extreme left of the classification line and is always a numerical value.

The video concludes by reiterating the six divisions of the fingerprint classification formula: Primary, Secondary, Sub-secondary, Major, Final, and Key. Each division plays a unique role in creating a comprehensive and organized fingerprint record for identification purposes.