NumWorks

Type| Private
Industry| Education
Founded| March 4, 2016; 10 years ago (2016-03-04)
Founder| Romain Goyet
Products| Graphing Calculators
Website| www.numworks.com

NumWorks is a French technology company that designs, develops, and sells graphing calculators. Their calculators are source-available and have their hardware design available under a Creative Commons license.[1] Its first calculator, the N0100, was released on August 29, 2017, in Europe and the United States and is geared towards high school classrooms and students.[2] The calculators use Python as their programming language, rather than a proprietary language (e.g. TI-BASIC, which is used by Texas Instruments calculators).

## Contents

* 1 Development
* 2 Products
* 3 Features
* 4 References
* 5 External links

## Development

Romain Goyet, the CEO of NumWorks, started the company in 2016. Before starting NumWorks, he was a software engineer at Apple who also contributed to open-source projects such as Linux.[3]

## Products

The NumWorks graphing calculator was the first graphing calculator to be programmable using the Python language. It features a 320x240 IPS display with a 2.8″ diagonal. Internally, it is powered by a 216 MHz Cortex-M7 processor and 8 MB of Quad-SPI Flash memory. The calculator has a 1450 mAh lithium polymer battery. The calculator weights 5.9 oz (0.37 lb) and measures 8.2 cm × 16 cm × 1 cm (3.23 in × 6.30 in × 0.39 in).

Four versions of the calculator were produced by NumWorks: the N0100 model, the N0110 model, the N0120 model, and the N0115 model. Technical limitations of the N0100 model's memory prevent any upgrade to an OS version higher than 19.5.17.

Model  | N0100  | N0110  | N0115  | N0120

|
|
|
|

Processor  |

STM32F412
Cortex-M4
100 MHz

STM32F730
Cortex-M7
216 MHz

STM32H725
Cortex-M7
550 MHz

Display  |

320 x 240 pixels, 140 PPI
65 536 colors (16 bits)

Interpreter  |

MicroPython 1.17.0 (compatible with Python 3.4)

RAM  |

256 KB

564 KB

Flash ROM  |

1 MB

8 MB + 64 KB

8MB + 512 KB

Python scripts storage  |

32 KB

Launch

Discontinuation  |

2017

2019

2019

2023

2023

\

2022

\

Connector  |

Micro USB Type-B

USB Type-C

Battery  |

1820 mAh

1450 mAh

## Features

The calculator was specifically designed to be modded using 3D printing. 3D models, schematics, and board layout details are available to the public under a Creative Commons license.[3] The software on the calculator is updated on a monthly cycle. Updates can be downloaded to the calculator from its website using WebUSB or by building the operating system from its direct source.

The NumWorks calculator also includes various "exam modes" which may disable certain features (e.g. the periodic table app, Python scripts, etc.) in accordance with regional exam regulations. Exam mode can be disabled by plugging the calculator into a power source and selecting disable on the popup that appears.

On March 22, 2019, NumWorks released an app for iOS and Android, free of charge.[4] It features the same functionality as the physical calculator except it does not have data persistence.

## References

1. ↑ Scharfglass, Kerry (May 18, 2018). "Open Source Calculator Teaches us about Quality Documentation". https://hackaday.com/2018/05/18/open-source-calculator-teaches-us-about-quality-documentation/.
2. ↑ Dent, Steve (August 28, 2017). "NumWorks graphing calculator is made for students raised on tech". https://www.engadget.com/2017/08/28/numworks-graphing-calculator/.
3. ↑ 3.0 3.1 Barela, Anne (May 25, 2018). "Adafruit interviews NumWorks – Python Programmable calculator #micropython". https://blog.adafruit.com/2018/05/25/adafruit-interviews-numworks-python-programmable-calculator-micropython/.
4. ↑ @numworks (March 22, 2019). "Pour bien finir la semaine, une nouveauté que vous avez été nombreux à nous demander : votre calculatrice NumWorks est désormais disponible gratuitement sur iPhone et sur Android!" (in fr). https://twitter.com/numworks/status/1109032300849885184.

## External links

* NumWorks official site
* on GitHub

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