HP 48G Series User Manual

Example: Find the square roots of 8 — 61.
Step 1: Type the complex number.
@ (1) 8 GEO 6 GO) (8 -6)
AMAT[EMAT] +2 [30m] | [APPLY]
Step 2: Find the principal square root and make an extra copy.
: i
FT ET I
Step 3: Find the conjugate root.
(MTH) (NXT) CHFL (NXT) 2 (3-1)
)
Algebraics containing complex numbers can be manipulated
symbolically in the same way as real-number expressions.
Example: Calculate the sine of (.6,2).
QO @&() s@L)2 1: os 12429545641,
993377649)
EBA) [SIGN] NEG [CONJ] || |
Example: Use the EquationWriter application to enter an expression
representing the complex number 2 — 2iv/3. Then evaluate
the expression to get a complex result.
Step 1: Enter the expression.
@D
(EQUATION)
1:
1D
xiel3
2
(=)
2
(@)@)!
(x)
3
(ENTER)
EEE
EL
I
Step 2: Convert the expression to a number.
& (uv) 1: (2,-3.46418161514)
EIENITER (CN I I
3-12 Arithmetic

HP 48G Series Specifications

General

Model	HP 48G Series
Type	Graphing Calculator
Display Type	LCD
Display Size	131x64 pixels
Programming Language	RPL (Reverse Polish Lisp)
Memory	32 KB RAM
Processor	Saturn
Power Supply	3x AAA batteries
Connectivity	Infrared (IR)