Constants, Conversions – HP 39gs User Manual

Page 160

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13-8

Using mathematical functions

Constants

The constants available from the MATH FUNCTIONS
menu are mathematical constants. These are described in
this section. The hp 39gs has two other menus of
constants: program constants and physical constants.
These are described in “Program constants and physical
constants” on page 13-24.

e

Natural logarithm base. Internally represented as
2.71828182846.

e

i

Imaginary value for

, the complex number (0,1).

i

MAXREAL

Maximum real number. Internally represented as
9.99999999999

x 10

499

.

MAXREAL

MINREAL

Minimum real number. Internally represented as
1

x10

-499

.

MINREAL

π

Internally represented as 3.14159265359.

π

Conversions

The conversion functions are found on the Convert
menu. They enable you to make the following
conversions.

C

Convert from Fahrenheit to Celcius.

Example

→C(212) returns 100

F

Convert from Celcius to Fahrenheit.

Example

→F(0) returns 32

CM

Convert from inches to centimeters.

1

HP 39gs English.book Page 8 Wednesday, December 7, 2005 11:24 PM

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