Bills

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Bills

Postby oliver » Fri Dec 24, 2010 2:33 pm

Bills is a folder that provides a convenient environment to enter amounts and have them collected and summed up.
Use is very simple: you slip into the folder, enter your amounts and tap done when done.

Bills automatically saves the current stack for you as you enter the folder and switches to right-aligned, 2-digits after the point fixed number display. You're encouraged to flick through the stack when you entered all amounts to ensure they're correct. As you exit the folder, your previous stack is restored.

Here's a sample session:

As you enter the folder the stack is cleared.
Bills1.png
To begin
Bills1.png (6.27 KiB) Viewed 4813 times


Enter some amounts, then switch to full-screen to check them.
Bills2.png
After entry of amounts
Bills2.png (15.29 KiB) Viewed 4813 times


Tap done.
Bills3.png
Done!
Bills3.png (14.32 KiB) Viewed 4813 times


Note, a variable, "last", is created which stores the two result lines.
If you want to keep a permanent record of this, rename "last" to something like "Skiing Bills Dec 2010", or email your stack with a tap on "email".

Exit Bills and see your previous stack.

That's it. A simple, but hopefully useful tool.
oliver
Site Admin
 
Posts: 433
Joined: Sat May 01, 2010 2:11 pm

Note to Programmers

Postby oliver » Fri Dec 24, 2010 2:35 pm

If you're interested in learning how to program ND1, this folder is an interesting one to study.
It makes use of hidden functions, and uses both JavaScript and RPL to accomplish tasks.
It also uses .onenter and .onexit to execute automatic folder actions.
oliver
Site Admin
 
Posts: 433
Joined: Sat May 01, 2010 2:11 pm


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