Casio fx-590 Operation Manual page 3

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1-1 The keys
bw) Inverse key
Mode key
To put the calculator into a desired operating mode.
or to select a specific angular unit, press '@) first.
thn ,@ ,@,...o07 @.
wog-]— SD is displayed. Calculate standard
deviation. Page 58
@m@)— DEC mode. Carry out ordinary arith-
metic and functional calculations. Page
24
1-1 El teclado
@) Tecla de inversién
Tecla de modo
a