Constants; Conversions - HP 40gs User Manual

hp40g+.book Page 8 Friday, December 9, 2005 1:03 AM
RE

Constants

e
i
MAXREAL
MINREAL
π

Conversions

13-8
Example
IM((3,4)) returns 4
Real part x, of a complex number, (x, y).
RE((x, y))
Example
RE((3,4)) returns 3
The constants available from the MATH FUNCTIONS
menu are mathematical constants. These are described in
this section. The HP 40gs has two other menus of
constants: program constants and physical constants.
These are described in "Program constants and physical
constants" on page 13-24.
Natural logarithm base. Internally represented as
2.71828182846.
e
1 –
Imaginary value for
i
Maximum real number. Internally represented as
499
9.99999999999 x 10
MAXREAL
Minimum real number. Internally represented as
-499
1x10
.
MINREAL
Internally represented as 3.14159265359.
π
The conversion functions are found on the Convert
menu. They enable you to make the following
conversions.
, the complex number (0,1).
.
Using mathematical functions