Overview ： Calculator + medical charges point
Feature：The button of medical charges point function is
added to the calculator function for general clerical work.
The accuracy of calculation : up to nine digits.
Description：
Meaning of medical charges point ：
calucurate（medical charges - 5）/10.
after round up small number.
Process of calucurate ： How mouch of total medicine
charge of four pieces
(unit price 46.4 yen) and five pieces (unit price 2.87 yen).
46.4ｘ4 → M+(Add Memory)
2.87ｘ5 → M+(Add Memory)
MR(Read Memory) → YT(medical Charge) → Ans 20