I'm sorry too monotonous. This page is hastily made as a place for manual. Now I give higher priority to make other APP line ups than this page content.
I am making a calculation software based on the idea of following.
(Development Concept)
· I stick to the calculation accuracy to specialized scientific calculator level. Concretely, using decimal, fraction, etc. in the calculation. User should not like binary conversion error.
· Simple function. Almost function in multi-functional APP is not used, or hard to investigate the way how to use. My APP includes only the fundamental required function.
· I try to minimize the time and the amount of input from launching APP to getting results. User should never like forced extra input for convenient features.
· The most important facility of this kind application is that "person who is using looks smart". The kindness every person can use may make the user to be seen like a fool.
Peculiar operation is allowable. However usage must be able to learn while user tries.
· I esteem the culture of the country-specific in the range I know. However I have not gotten enough profit to exceed translation agency cost. I do all by myself until it.
· A few dollars and free are no change to the user of this kind APP. If anything, they may hate AD or extra operation to keep on using it. I set the price as low as possible, but not free.