The arcgis field attribute precision refers to the following. ArcGIS field type Float: 1 sign bit, 7 exponent bits and 24 decimal places Double: 1 sign bit, 7 exponent bits and 56 decimal places are used to represent the decimal places Counting longer decimals means being very precise. Short integer (ShortInteger): 1 sign bit, 15 binary digits, approximately -32000~32000. Used to represent an integer with a shorter number of digits, 32768. LongInteger -2000000000~2000000000 represents an integer with a longer number of digits, >32768. Text type (Text): Numeric characters are stored as bytes to represent Chinese characters, letters and other characters, names, etc.