RPN Calculator av Mike Conca
This extension adds a convenient reverse Polish notation (RPN) calculator as a browser action button. Also called postfix, RPN calculators take their operators after the operands. If you've used HP calculators, this extension is for you.
Du behöver Firefox för att kunna använda den här tillägget
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Om detta tillägg
This extension adds a convenient reverse Polish notation (RPN) calculator as a browser action button. Also called postfix, RPN calculators take their operators after the operands.
For example, to get the sum of two and three on a normal calculator, you would hit "2 + 3 =". On an RPN calculator, you would hit "2 Enter 3 +". In general, RPN calculators require fewer keystrokes over a series of extended operations.
It may seem strange at first, but once you get used to it, you'll never go back. HP made a series of extremely popular RPN calculators back in the 1970's and 1980's.
For example, to get the sum of two and three on a normal calculator, you would hit "2 + 3 =". On an RPN calculator, you would hit "2 Enter 3 +". In general, RPN calculators require fewer keystrokes over a series of extended operations.
It may seem strange at first, but once you get used to it, you'll never go back. HP made a series of extremely popular RPN calculators back in the 1970's and 1980's.
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Mer information
- Länkar för tillägg
- Version
- 1.2resigned1
- Storlek
- 29,03 kB
- Senast uppdaterad
- för ett år sedan (25 apr 2024)
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- Licens
- Mozilla Public License 2.0
- Versionshistorik
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Fler tillägg av Mike Conca
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1) Calculator doesn't automatically get focus when displayed.
2) Keyboard only. Clicking on keys and commands doesn't work.
3) Stack history is lost when the calculator is closed.
Note:
Original code is from RPNCalc
Copyright 2011, Christophe Juniet