HP 39gII User Manual page 185

INT
MANT
MAX
MIN
MOD
%
%CHANGE
Using mathematical functions
Integer part.
INT(value)
Example:
INT(23.2) returns 23
Mantissa (significant digits) of value.
MANT(value)
Example:
MANT(21.2E34) returns 2.12
Maximum. The greater of two values.
MAX(value1, value2)
Example:
MAX(210,25) returns 210
Minimum. The lesser of two values.
MIN(value1, value2)
Example:
MIN(210,25) returns 25
Modulo. The remainder of value1/value2.
value1 MOD value2
Example:
9 MOD 4 returns 1
x percent of y; that is, x/100*y.
%(x, y)
Example:
%(20,50) returns 10
Percent change from x to y, that is, 100(y–x)/x.
%CHANGE(x, y)
Example:
%CHANGE(20,50) returns 150
175