Plumacalc

Beautiful and Simple web based calculator written in Python and Django :)

Features:

UI / UX

• Beautiful UI and a fantastic UX

• Supporting basic math ops:

  • add (+)
  • subtract (-)
  • multiply (*)
  • division (/)
  • parenthesis ((, ))
  • power (^)

• Supporting rational numbers

• Ability to provide the postfix used to calculate the expression

• Ability to copy the answer and postfix shown to user

• Good and copyable error messages

Small History

• Showing the last 5 calculations

• Ability to copy the input and the whole operation

• Showing the errors of the inputs (if they had)

• Different colour between the answers and errors

History

• Showing all the calculations done by the user
• having a pagination to minimize the queries to the database
• beautiful design and copyable output

Safe Calculations

• with a base timeout of 0.1 seconds for the calculation

• and with a base timeout of 0.2 seconds for generating the string representation of the answer

Heavy Calculations

• easy UI and a good UX

• Configurable timeout option both for calculation and for string representation