About the work
The "MG40 Calculator" is an innovative software application designed for universal accessibility. Its core innovation lies in its input interface: an ergonomic 4-button combination keyboard that breaks away from traditional standards. This system allows toggling between standard Braille and the 1-6 VR2FG (PRD) System, a proprietary and exclusive innovation of the author.
Key Features:
1. 4-Button Keyboard: Simplified interface generating all combinations via chords and sequences.
2. Proprietary PRD System: An innovative logical system (author's property) optimized for digital environments, superior to traditional Braille in mathematical logic.
3. Dual Input: Instant toggle between Braille and PRD.
4. Multimodal Feedback: TTS Audio and haptic response.
5. Multifunctional Enter Bar: Gestural control for confirmation.
This work protects the Interface Design (GUI), the implemented PRD logical system, and the source code in Dart/Flutter.
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Work information
Title MG40 Calculator: Braille & 1-6 VR2FG (PRD) System
The "MG40 Calculator" is an innovative software application designed for universal accessibility. Its core innovation lies in its input interface: an ergonomic 4-button combination keyboard that breaks away from traditional standards. This system allows toggling between standard Braille and the 1-6 VR2FG (PRD) System, a proprietary and exclusive innovation of the author.
Key Features:
1. 4-Button Keyboard: Simplified interface generating all combinations via chords and sequences.
2. Proprietary PRD System: An innovative logical system (author's property) optimized for digital environments, superior to traditional Braille in mathematical logic.
3. Dual Input: Instant toggle between Braille and PRD.
4. Multimodal Feedback: TTS Audio and haptic response.
5. Multifunctional Enter Bar: Gestural control for confirmation.
This work protects the Interface Design (GUI), the implemented PRD logical system, and the source code in Dart/Flutter.
Work type Source Code
Tags innovation, mobile app, accessibility, digital inclusion, alfredo de jesus blanco., 1-6 system, 4-button keyboard, flutter, braille, prd, source code, calculator, adapted interface, software, typhlology, alfredolapiz, proprietary system
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Registry info in Safe Creative
Identifier 2602114535966
Entry date Feb 11, 2026, 7:35 PM UTC
License All rights reserved
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Copyright registered declarations
Author. Holder Alfredo Lápiz. Date Feb 11, 2026.
Information available at https://www.safecreative.org/work/2602114535966-mg40-calculator-braille-1-6-vr2fg-prd-system
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Registration: 2602114535966
