Handwriting is legible text created by using any writing instrument on a writing surface. It is a coordinated work done by an individual’s intellect and muscles. Aging, affects the brain and the body both. Therefore, it affects handwriting. With time experts have come up with varied approaches to decipher handwriting and the changes that come in it. This work proposes quantitation of individual characteristics, namely hiatus and proportion, to be employed to derive to a co- relation between the time-elapsed and the percentage change observed. A pattern has been discovered. The study was performed on twenty subjects above the age of 28. The time gap in the samples observed was 15 years. The amount of change coming in authors’ handwriting after the same amount of time had passed, was found to be similar. Context: Questioned Document Examination Aim: To establish effect of age on handwriting and to establish a mathematical pattern to the observed changes, in a sample population Results: Quantized individual characteristics are found to change in a mathematical pattern

Keywords: Graphology; Proportion; Hiatus; Baseline Alignment; Class Characteristics; Individual Characteristics.