📝 操作記錄

CASIO
fx-50FH II
H.K.E.A.A. APPROVED
SUPER-FX PLUS
M D
0_
EXIT
SETUP
x!
³√
d/c
DEC
x√HEX
10^xBIN
e^xOCT
A
B
C
sin⁻¹D
cos⁻¹E
tan⁻¹F
STO
i
%X
Y
;M-
DTM
nPr
nCr
S-SUM
S-VAR
Ran#
π