ExpressionsinBar

Powerful computer algebra system in your menu bar.

**ExpressionsinBar** is a simple menubar application which provides powerful computer-aided algebra computations. A mathematical expression entered in the popup window is immediately computed and the result is displayed in an associated subview window. With the drag-and-drop feature, results are easily copied into text editors such as Pages or Microsoft Word, or presentation programs such as Keynote or Microsoft PowerPoint. The algebra functionalities include:

- Constants (π, e, etc.)
- Integers, fractions, floating numbers
- Sequences, lists, vectors, matrices, strings
- Operators (+, -, *, /, ^)
- Arithmetics on integers, rational, and floating numbers
- Arbitrary precision arithmetic, operating on signed integers, rational numbers, and floating point numbers (no practical limit to the precision except by the available memory)
- Operations on fractions (integer and fractional parts, numerator, denominator, simplification, continued fraction expansion of real)
- Real functions (max, min, round, floor, sign, frac, ceil)
- Complex functions (re, im, abs, conj, arg, affix)
- Polynomials
- Factorial, binomial
- Exponential, logarithms, roots, powers
- Trigonometric functions, hyperbolic functions, and inverses
- Algebraic transformations (simplify, normal form, expand, factor)
- Trigonometric transformations
- Probabilities
- Statistics (1d and 2d)
- Polynomials algebra
- Algebraic calculus
- Numerical calculus
- Derivatives, limits and series expansion, integrals
- Equations, ordinary differential equations

Updated on Nov 20 2020

Version 2.3:

- Improved plotting
- Additional tutorial
- Mac OS Big Sur ready and Apple M1 native

Commercial

15.8 MB

3437

- Intel 64
- macOS 10.13.0 or later

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Oct 13 2013

Version: 0.6.1

I use version 0.1, which is already quite cool (and was free).
The underlying formal math "motor" behind it is the open source XCAS development, http://www-fourier.ujf-grenoble.fr/~parisse/giac.html , whis does has an OSX implementation, but not as a fast menu item ;-)
Indeed I'm considering paying now.

Jul 22 2013

Version: 0.1.0

Dev link on this page seems dead, though www.alelvisoftware.com finds the site. System requirements seem to be 10.7+, not 10.6+ as shown on MU. In any case, does not work for me on 10.6.8. Shame, looks interesting.

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