CASIO -GT K C2 EXCH 日 3456890i记 DE12E F CUT UP 5I 5432190: TAX RATE TAX- TAX+ MODE C1 c2 c3 C4 M/EX M+ M- MR MC GT ON SET AC 7 8 9 % 4 5 6 × 1 2 3 + C 00