Calculadora Natural (LS)

Calculadora Natural Long Scale in Spanish

This is the Whole Calculator in the SPANISH and LONG SCALE version:

NOT USEFUL IN ENGLISH !!!

Uses the LONG SCALE: World Map of usages:
http://en.wikipedia.org/wiki/File:World_map_of_long_and_short_scales.svg
(Valid and useful in the PALE GREEN colored countries of this map)


Calculator in the set of the natural numbers (ℕ)
When the result leaves the set of natural numbers, this calculator points to the need of to upgrade to a calculator with more features. ( ℤ calculator or ℚ calculator).
Type the numerical operations and results in words.
Write properly until the centillion. ( 10^600 in the Long Scale )

Double Struck Capital - nummolt apps:
http://www.nummolt.com

Type in the keyboard and the spelling of the numbers or operations, appears in the upper screen converted in words.

Meaning of the buttons:
↺ "Undo" (undo the last action)
↻ "Redo" (redo the last undone action)
C "Clear all" (clears all screens and empty the inner list of actions)
÷ "Divide" (adds the character ÷ on the screen and add this action in the inner list of actions)
× "Multiply" (adds the character × on the screen and add this action in the inner list of actions)
- "Minus" (adds the character - on the screen and add this action in the inner list of actions)
+ "Plus" (adds the character + on the screen and add this action in the inner list of actions)
(The same with all the numerical buttons)
= "Equal" (adds the character = on the screen, add this action in the inner list of actions and performs the operation)

Based in part on the "Really Big numbers" mathcats application, made in collaboration between Wendy Petti ( www.mathcats.com ) and Maurici Carbó ( www.nummolt.com ) in 2003
http://www.mathcats.com/explore/reallybignumbers.html

Wording:
Uses the LONG SCALE (LS): World Map of usages:
http://en.wikipedia.org/wiki/File:World_map_of_long_and_short_scales.svg
(Valid and useful in the PALE GREEN colored countries of this map)

Thousands separator conforms to: ISO/IEC 80000-1:2009

Double-struck capital N is: ℕ
In utf8: (U+2115): ℕ
As Java (+ Android) source char: "u2115": ℕ
In mathematical texts ℕ Represents the set of the natural numbers. (May or may not include zero).