SetPrecision
Purpose 
Computes any math function with a precision of 16 to 400 digits to the right of the decimal point.
Format 
SetPrecision(expression;precision)
Parameters 
expression - any numeric expression
precision - any number or numeric expression
Data type returned 
number
Originated in 
FileMaker Pro 7.0
Description 
All functions except trigonometric functions support extended precision. This function doesn’t perform a truncation.
Examples 
SetPrecision(5/9;30) returns 0.555555555555555555555555555556.
SetPrecision(1.321321321321321321321321321;0) returns 1.3213213213213213.
SetPrecision(If(field1>5;Exp(50);Average(5/9;1/7;5/7));25) returns either
5184705528587072464087.4533229334853848274691006 if field1 > 5, or
0.4708994708994708994708995 if field1 <= 5.
Related topics 
Functions reference (category list)
Functions reference (alphabetical list)
About formulas
About functions
Defining calculation fields
Using operators in formulas