Casio fx-5800P - Manual (Page 43)

E-42
Example 1 : log
2
16 = 4, log16 = 1.204119983
b
l2,16)E
l16)E
Base 10 (common logarithm) is assumed when no base is specifi ed.
B
z – {MATH} c7(logab)
2e16E
Example 2 : ln 90 (= log e 90) = 4.49980967
b
i90)E
k
Power Functions and Power Root Functions
x 2
, x –1
, ^(,
'(, 3 '(, x '(
A Syntax and Input
{ n } x 2
............................... { n }
2
(Square)
{ n } x –1
............................. { n }
–1
(Reciprocal)
{( m )}^({ n }) ....................... { m }
{ n }
(Power)
'({ n }) .......................... { n } (Square Root)
3 '({ n }) .........................
3
{ n } (Cube Root)
({ m })
x '({ n }) ..................
{ m }
{ n } (Power Root)
Example 1: (
'
2 + 1) (
'
2 – 1) = 1, (1 + 1)
2+2
= 16
b
(!2)+1)
(!2)-1)E