Design powerfull spreadsheet like, Javascript WEB applications running on Windows, IOS, Linux, without the need of been registered in a store.
At right up a tiny ellipsis button , onclick display a drop down menu to trigger methods or form to set properties.
Sheet-js apply the Object theory, as an object defined by own methods as function methodObject() javascript code and own properties value.
A drop down menulist consist of an header showing the object and list of related methods, allow to navigate back to MainMenu().
Pointing to a method from menulist trigger javascript code as: "function methodObject(){...}" code had to be supplied by editing macro.js file.
Formula include arithmetic operators as = +-*/% or Cell name value, javascipt Math algebraïc library function is supported.
Constant as PI E SQRT2 SQRT1_2 LN2 LN10 LOG2E Log10E builtin spreadshet functions Fill Value Serie Currency Day Month Europa Usa Date Time & Stat Count Average Sum Max Min Score Lookup IfLess IfEquate IfGreater.
Imagine now that a mobile had the power of a mainframe taking a room, now in your pocket weigthing few hundreds grams that any can own, billions are now in the nature that power you can harness easily with a that you already know.