HP 17bII+ - Manual (Page 42)

42 2: Arithmetic
File name : English-M02-1-040308(Print).doc Print data : 2004/3/9
The MATH Menu
To display the MATH menu, press @m (the shifted % key). Like the
other mathematics functions, these functions operate on only the last
number in the display.
Table 2-2. The MATH Menu Labels
Menu Label Description
 Common (base 10) logarithm of a positive number.
  Common (base 10) antilogarithm; calculates 10 x .
 Natural (base e) logarithm of a positive number.
 Natural antilogarithm; calculates e x .
 Factorial.
 Inserts the value for π into the display.
Keys: Display: Description:
2.5 @m



Calculates 10 2.5 .
4    Calculates the factorial of 4.
e  Exits MATH menu.
You can access the MATH menu when another menu is displayed. For
instance, while using SUM you might want to use a MATH function. Just
press
@m , then perform the calculation. Pressing e returns you
to SUM. The MATH result remains in the calculator line. Remember,
however, that you must exit MATH before you resume using SUM.