Datomic

Website

datomic.com

Pricing URL

Official Datomic Pricing

Categories

#Databases #Relational Databases #NoSQL Databases #Network & Admin

MyScript Calculator

Website

visionobjects.com

Pricing URL

-

Categories

#Calculators #Online Services #Education & Reference #Education

Datomic features and specs

• Immutability
  Datomic employs an append-only data model where data is never overwritten but instead appended, ensuring historical data is always available and providing strong consistency.
• Time Travel Queries
  Datomic allows you to query the database as of any point in time, facilitating auditing and debugging by allowing easy access to historical data states.
• Rich Data Model
  Supports complex data types like maps and sets directly within its schema, providing a flexible way to represent data.
• ACID Transactions
  Datomic supports fully ACID-compliant transactions, ensuring reliable and predictable database operations.
• Scalability
  Separates storage and compute, allowing for horizontal scaling of read operations, making it suitable for handling large datasets.
• Query Flexibility
  Offers a powerful query language that supports recursive queries, making it suitable for complex data retrieval needs.

Possible disadvantages of Datomic

• Complexity
  The architecture of Datomic can be complex to understand and implement, particularly for teams unfamiliar with its design principles.
• Cost
  Can be expensive to operate, especially in a cloud environment, where costs increase with the amount of data stored and the compute resources required.
• Limited Write Throughput
  Due to its append-only design, Datomic can have limited write throughput, which may not be suitable for applications with heavy write requirements.
• Closed Source
  Datomic is a proprietary database system, which may not appeal to organizations that prefer open-source solutions.
• Learning Curve
  Requires a learning curve as its conceptual model and query language are different from traditional databases, potentially requiring additional training.
• Dependency on AWS
  Relying on AWS ecosystem for the storage backend can limit choices for deployment environments, impacting flexibility.

MyScript Calculator features and specs

• Natural Handwriting Recognition
  MyScript Calculator allows users to write mathematical expressions naturally using their handwriting, which is then converted into digital text for calculation. This makes it intuitive and easy to use, especially for those who are not comfortable with typing complex formulas.
• Real-Time Calculation
  The app performs calculations in real time as the user writes, providing immediate feedback and results. This feature is helpful for quick computations and iterative problem-solving.
• Supports a Range of Mathematical Operations
  MyScript Calculator can handle basic arithmetic, fractions, percentages, roots, and more complex operations like trigonometry and logarithms, making it a versatile tool for students and professionals.
• User-Friendly Interface
  The interface of MyScript Calculator is simple and uncluttered, focusing on ease of use. It offers a straightforward and pleasant user experience.

Possible disadvantages of MyScript Calculator

• Limited Platform Availability
  MyScript Calculator may not be available on all platforms or devices. This could limit its accessibility for some users, especially those using less common operating systems.
• Dependence on Handwriting Recognition
  While handwriting recognition is a key feature, it may not always be accurate, especially with messy or unclear handwriting. This can result in incorrect calculations.
• Advanced Features May Be Missing
  For users needing highly specialized mathematical functions or features beyond standard calculations, MyScript Calculator might not meet all advanced needs.
• Potential Learning Curve
  Some users might face a learning curve when transitioning from traditional calculators due to the handwriting feature, which might be initially unfamiliar.

KotlinConf 2018 - Datomic: The Most Innovative DB You've Never Heard Of by August Lilleaas

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