HP 9g Graphing Calculator User Manual
Page 17
E-17
Press [ MATH ] repeatedly to is display a list of mathematical functions and
their associated arguments. See Example 31. The functions available are:
!
Calculate the factorial of a specified positive integer n , where
n≦69.
RAND Generate a random number between 0 and 1.
RANDI Generate a random integer between two specified integers, A
and B, where A ≦ random value≦ B.
RND
Round off the result.
MAX
Determine the maximum of given numbers. (Up to 10 numbers
can be specified.)
MIN
Determine the minimum of given numbers. (Up to 10 numbers
can be specified.)
SUM
Determine the sum of given numbers. (Up to 10 numbers can
be specified.)
AVG
Determine the average of given numbers. (Up to 10 numbers
can be specified.)
Frac
Determine the fractional part of a given number.
INT
Determine the integer part of a given number.
SGN Indicate the sign of a given number: if the number is
negative, –1 is displayed; if zero, 0 is displayed; if positive, 1
is displayed.
ABS
Display the absolute value of a given number.
nPr
Calculate the number of possible permutations of n items taken
r at a time.
nCr
Calculate the number of possible combinations of n items
taken r at a time.
Defm Memory
expansion.
Other Functions ( x
-1
,
,
,
,x
2
, x
3
, ^ )
The calculator also provides reciprocal ( [ x
-1
] ), square root ( [
] ), cube
root ( [
] ), square ( [ x
2
] ), universal root ( [
] ), cubic ( [ x
3
] ) and
exponentiation ( [ ^ ] ) functions. See Example 32.
Unit Conversion
You can convert numbers from metric to imperial units and vice versa. See
Example 33. The procedure is: