Math: the systematic treatment of magnitude, relationships between figures and forms, and relations between quantities expressed symbolically.
Also, mathematical procedures, operations, or properties.
Dictionary : Letter Z
Z-score
How many standard deviations a value is from the mean.
Zepto-
A prefix meaning one-sextillionth (1/1,000,000,000,000,000,000,000 or 10-21)
The same as multiplying by 10-21 (which is 0.000 000 000 000 000 000 001)
Prefix is z
Zero
The whole number between −1 and 1, with the symbol 0
Shows that there is no amount.
Zetta-
A prefix meaning one sextillion (1,000,000,000,000,000,000,000 or 1021)
The same as multiplying by 1021
Prefix is Z