HP 39g+ - Manual (Page 153)

Using mathematical functions 10-17
MOD 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
%CHANGE Percent change from x to y, that is, 100(y–x)/x.
% CHANGE (x , y)
Example
% CHANGE(20,50) returns 150
%TOTAL Percent total : (100)y/x. What percentage of x is y.
% TOTAL (x , y)
Example
% TOTAL(20,50) returns 250
RAD
→
DEG Radians to degrees. Converts value from radians to degrees.
RAD
→
DEG (value)
Example
RAD
→
DEG(
π
) returns 180
ROUND Rounds value to decimal places. Accepts complex numbers.
ROUND (value , places)
Round can also round to a number of significant digits as
showed in example 2.
Examples
ROUND(7.8676,2) returns 7.68
ROUND (0.0036757,-3) returns 0.00368