Calca
Calca 1.2
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(3) 4

Symbolic calculator with Markdown editor for explaining calculations.   Commercial ($4.99)
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Calca is a powerful symbolic calculator that updates as you type, giving you instant answers. It solves equations and simplifies complex expressions. It is also a rich Markdown text editor so that you can explain your ideas alongside your calculations.

Calca is perfect for professionals and students - anyone who works with numbers and equations. Variables and functions can be created with only a few keystrokes and can be manipulated with a rich library of operators and functions.

All calculations are stored as plain text so you can easily share them with other editors
What's New
Version 1.2:
  • Improved Markdown styling
  • Powerful unit and currency conversions
  • Control output precision and number grouping
  • JSON syntax for data
  • Summing definitions to make lists easier
  • Many bug fixes, new examples, and so much more!
Requirements
Intel, OS X 10.6 or later



MacUpdate - Calca




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Calca User Discussion (Write a Review)
ver. 1.x:
(3)
Your rating: Now say why...
Overall:
(3)

sort: smiles | time
burypromote

+8

Widber reviewed on 07 Sep 2013
Nice app in principle but there is no possibility to change the number format. If you can live with the numbers in the US-format and English language only - this is a good choice. But the rest of the world still have to wait for the support of different number formats.
[Version 1.1]

4 Replies

burypromote
+1

+25
Manfred Bergmann replied on 21 Dec 2013
There are other number formats.
Add "@de-DE" at the top of the file and you'll have german number formats.
For example.
burypromote

+8
Widber replied on 21 Dec 2013
Thanks Manfred! This trick works.
Moreover, now when I create a new document I get automatically "de-DE" in the first row. I think this is a feature of v. 1.2
burypromote

+25
Manfred Bergmann replied on 22 Dec 2013
This isn't a trick.
AFAIR this works and is in the documentation at least since 1.1.
burypromote

+8
Widber replied on 22 Dec 2013
Prior to v.1.2 I never had "@de-DE" on creating of new file. Maybe it was a bug.
burypromote

+398

Donperreault reviewed on 25 Jul 2013
This application is awesome. It's a text editor that supports markdown and operate's similar to a spreadsheet. You can calculate simple arithmetic, functions, equations and complex expressions right inside your text. Change a number and Calca auto recalculates. Very similar to Soulver which I was using prior to purchasing Calca but Calca integrates much nicer with your text and is cheaper than Soulver.

This is the best $5.00 I spent on an application in a long time. I often complain that many developers overcharge for applications that you only use occasionally. I personally would have paid $10 or $15 for this gem.

BTW: I am in know way affiliated with the developer. I have never met or spoke to him/them/her!
[Version 1.1]


There are currently no troubleshooting comments. If you are experiencing a problem with this app, please post a comment.


+8

Widber rated on 12 Feb 2014

[Version 1.2]


Downloads:360
Version Downloads:108
Type:Education : Mathematics
License:Commercial
Date:21 Dec 2013
Platform:Intel 32 / OS X
Price: $4.99
Overall (Version 1.x):
Features:
Ease of Use:
Value:
Stability:
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Calca is a powerful symbolic calculator that updates as you type, giving you instant answers. It solves equations and simplifies complex expressions. It is also a rich Markdown text editor so that you can explain your ideas alongside your calculations.

Calca is perfect for professionals and students - anyone who works with numbers and equations. Variables and functions can be created with only a few keystrokes and can be manipulated with a rich library of operators and functions.

All calculations are stored as plain text so you can easily share them with other editors and move them from device to device. Calca has been designed to work with iCloud documents so all your devices can access your calculations - you'll always have the latest files ready for viewing and editing.

Features:
  • Variables "x = 42"
  • Functions "f = 9/5*c + 32" and even recursive functions
  • Solves equations ("x + 2x + 4x = 42", what is x?)
  • Matrices with inverses so you can solve linear equations
  • Sum, prod, map, and reduce operations on lists, matrices, and ranges
  • Trigonometry and complex numbers
  • Derivatives of functions
  • Logic operations and if statements
  • Binary math (& and |) and support for binary and hex number ("0xA9" and "0b1010")
  • Keeps track of units (m, s, m/s, m/s^2, etc.) so you can verify your equations as you compute


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