Percentage Problem not found in the manual

[Gamo]

I have put some "Percentage Problem" for some compatible calculator.

These Percentage Problem not found in most of the manual such as Percent of Total, Pricing Calculations etc.

This Percentage Problem I used the Casio MS-20UC with this calculator to calculate

Percent addition or subtraction it use this steps: amount [x] rate [%] then [+] or [-] style.

Also this calculator must have constant arithmatic when double press for example [+] [+]
the display will shown little k on screen.

Here is the PDF file:

https://www.dropbox.com/s/p8pqirx8aadhlk...m.pdf?dl=0

Recommend to print this out.

Gamo 4/2021