HP 40gs hp 40gs_user's guide_English_E_HDPMSG40E07A.pdf - Page 162
Constants, Conversions
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hp40g+.book Page 8 Friday, December 9, 2005 1:03 AM RE Constants e i MAXREAL MINREAL π Conversions 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 Imaginary value for -1 , the complex number (0,1). i Maximum real number. Internally represented as 9.99999999999 x 10499. MAXREAL Minimum real number. Internally represented as 1x10-499. MINREAL Internally represented as 3.14159265359. π The conversion functions are found on the Convert menu. They enable you to make the following conversions. 13-8 Using mathematical functions