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Education - Math (8)

Kalkules v1.9.3.23

Checker on 30 Nov 2013

Kalkules is an universal scientific calculator that comes with many nontraditional functions and built-in tools designed to make your calculations easier and faster.

System Requirements: WinXP / Vista / Win7
Writes settings to: Application folder
Stealth: ? Yes
License: Freeware
How to extract: Download the ZIP package and extract to a folder of your choice. Launch Kalkules.exe.

  • To disable update check at startup, edit settings.ini and change the CheckUpdatesAtStart=1 to CheckUpdatesAtStart=0 or launch Kalkules.exe and open the Preferences tab. Uncheck 'Check for updates at start"
  • To save additional space, delete unnecessary language files and manuals
What's new? Improvements:
  • Added unit PSI (pressure) into unit converter.
  • Conversion from/into grads in unit converter.
  • Rounding error when converting from kilometers/hour into meters/hour in unit converter.
  • Position of some tools on computers with two or more monitors.
  • Error when evaluating complex expression e^j.

Free Numerology Calculator v3.41

Andrew Lee on 12 Feb 2013

Free Numerology Calculator application was designed to be a math
calculator with numerology functions:

· Calculate Pythagorean and Chaldean
· Consonant Total and Result
· Vowel Total and Result
· Sum of
Numeric Distribution of Vowels and Consonants
· Quick Report
· Date Calculator with Calendar
· Math Calculator with Numerology Functions
· Export Report to RTF file for MS WordPad or Word

System Requirements: Win98 / WinNT / Win2K / WinXP / Vista / Win7
Writes settings to: None
License: Freeware
How to extract: Download the installer and extract to a folder of your choice. The application files are in the {app} folder. Launch jnumb.exe.

XaoS v3.5

Andrew Lee on 12 Feb 2013
  • 6MB (uncompressed)
  • Suggested by alif

XaoS is a real-time, interactive fractal plotter and morpher. It displays the Mandelbrot set (among other escape time fractals) and allows you to zoom smoothly into the fractal. Various coloring modes are provided for both the points inside and outside the selected set. In addition, switching between Julia and Mandelbrot fractal types and on-the-fly plane switching is provided.

System Requirements: Win95 / Win98 / WinME / WinNT / Win2K / WinXP
Writes settings to: None
License: GPL
How to extract:
  1. Download the installer and extract to a folder of your choice.
  2. Delete $PLUGINSDIR.
  3. Launch bin\xaos.exe.
Latest comments
chili on 2010-06-07 23:42

how do u export to larger image format???

Emka on 2013-12-16 19:05

links seem broken

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SpeQ Mathematics v3.4

lautrepay on 10 Jul 2012

SpeQ is a small, extensive mathematics program with a simple interface. All calculations are entered in a sheet, where you can add, edit and execute all calculations. You can define variables and functions, and plot graphs of your functions. You can also save your calculations for use later.

System Requirements: Win95 / Win98 / WinME / WinNT / Win2K / WinXP / Vista / Win7
Writes settings to: Application folder
License: Freeware
How to extract: Download the ZIP package and extract to a folder of your choice. Delete unneeded language files (optional). Launch SpeQ Mathematics.exe
What's new? SpeQ Mathematics 3.4 (Released 2010-04-07)

(new) Function Run(filename) added, which evaluates the contents of a speq file. This way you can easily include a file with your own commonly used variables, functions, and units into all of your worksheets.

(new) Function AddUnit(name {, relation}{,prefixtype}). You can now add your own custom units too.

(new) Operator In for units, "x In unit". This operator is the same as function Convert(x, unit). The operator In supports lists, and the function Convert not. Example usage: "5.1 Inch In Meter", "10 °C In °F", etc.

(new) Function fnSolve(f(x) {, x} {, xstart}), to find zero points of a function.

(new) Binary SI units for calculations with bits and bytes.

(new) Units fully support exponent suffixes now, fore example "mm2" is interpreted as square millimeter, and "m3" as cubic meter.

(new) Added units: Angstrom, mil, sqmil.

(changed) Implicit multiplications with units now have lower precedence than explicit multiplication and division. So for example "12V/6A" is now calculated as "(12*V)/(6*A) = 2 Ohm" instead of "((12*V)/6)*A = 2 W".

(changed) Function factorial (x!) is now much faster for decimal values.

(changed) Some changes in the arrangement of functions and units in the Functions window.

(changed) The accuracy optimizer is improved. For example Cos(90 deg) now gives 0 instead of 7.273641325e-16.

(changed) Adding and subtracting temperatures is now only allowed with the same temperature scale (for example 20 Celsius + 5 Celsius) or in Kelvin (for example 20 Celsius + 5 Kelvin), to prevent conversion issues.

(changed) SpeQ uses a different degree (°) character now, which is supported by more different fonts and by the web. This character is not backwards compatible.

(fixed) Bug with calculating Atan2 and Arg when Angles was set to Degrees or Gradians.

(fixed) SpeQ crashed when you opened more than 9 functions in one graph.

(fixed) Some problems with non-Western fonts.

(fixed) Units: small rounding error in the unit foot and mile.

(fixed) Units Litre and L now support prefixes.

(fixed) Problem loading files with a dot in the name.

(fixed) SpeQ checks now at startup whether the stored window position fits in the current screen dimensions. If not, the position is adjusted.

(fixed) Various stability issues, and other small improvements.
Latest comments
Jarred on 2008-11-20 06:25

This is a true gem in my collection. I don't quite like recent versions (feature creep), but I still use it for 95% of my day to day calculations/graphing.
For everything else there is Python + matplotlib.

Lyx on 2010-04-08 08:52

wanted to give it a try, but removed it 20secs after installation: makes the usual mistakes in setting colors and thus is unreadable on dark desktop colorschemes, and there is no way to manually set the colors.

avi-aryan on 2013-11-10 06:04

simply Great . I like the code-like interface in which it works.

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Eigenmath v137

Andrew Lee on 12 Feb 2013
  • 528KB (uncompressed)
  • Suggested by erazz

Eigenmath is a computer algebra system that facilitates the manipulation of mathematical expressions in symbolic form. For example, it can assist in solving algebra and calculus problems. It includes a great number of mathematical functions, has limited graphing capabilities and supports scripting. Think of it as portable MatLab "lite"!

System Requirements: Win95 / Win98 / WinME / WinNT / Win2K / WinXP / Vista / Win7
Writes settings to: None
Stealth: ? Yes
License: Freeware
How to extract: Download the single EXE file to a folder of your choice. Launch Eigenmath.exe.
Latest comments
Dominique on 2008-04-15 12:58

This program is very suitable for simple mathemathics (what I do, for high school level…), very much more usable than maxima for example.
Just one regret : I just bougth an eee pc, and this program should be wonderful on such a machine, but there is no Linux version… When ?

me on 2008-06-02 11:47

For Linux, Did you try running it under Wine?

RobbM on 2008-09-05 04:43

How does one do squares in this calculator? Sorry if it is a dumb question

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