

 Advanced Sci/Eng calculator. Expression evaluation, 18 digits precision, variables, >100 functions, graphs, unit conversion, interpolation, polynomial regression, linear algebra, systems of linear, nonlinear and differential equations, optimization. 

Updated 
Dec 26, 2011 12:08:30 
Rating 
16 ( 2 12.5% )  Size  956 kb  Licence  Shareware  Status  Minor Update  Languages  English  OS  Windows 95, Windows 98, Windows ME, Windows NT, Windows 2000, Windows XP  Homepage  wrotniak.net  Author  J. Andrzej Wrotniak 


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Description: The Mother of all Calculators, a Swiss Army knife for scientists and engineers. Perhaps the most capable scientific/engineering calculator for Windows.
On one hand, this is a calculator: evaluates expressions with more than 100 functions (trig/inverse, log/exp, statisical distributions, Euler, conditional, userdefined. Expressions are entered in the customary algebraic notation, and only then evaluated. After computing the value, an expression can be modified or corrected, and recomputed at will. There ara also unit conversions, physical constants, computer math (binary, octal, hex), and function graphs included.
For more advanced users, Kalkulator provides less trivial operations: numerical integration and differentiation, interpolaton (linear or cubic spline), statistics (mean, s.d., histograms, polynomial regression), column operations on stat data, polynomial roots, linear algebra (vector/matrix operations and systems of linear equations).
Hardtofind features: systems of nonlinear and differential (ODE) equations, multiargument function extremum search and point or histogram fitting with an arbitrary function.
Most importantly, advanced features don't obstruct the basic ones. You can use as much of Kalkulator's capabilities as you need, without being hampered by the program capabilities you do not need. Disk save/restore, Help file and other niceties are also included.
Kalkulator has been evolving on various OS platforms for the last 15 years, being refined and polished through all this time, and its author has more than 25 years of active experience in numerical methods and software development.  Short tags: Calculator, Math, Science, Engineering, Numerical Methods, Statistics, Differential Equations, Linear Algebra, Nonlinear Equations, Interpolation, Wrotniak  System Requirements: 2MB disk space  Change Info: Added new function; user function descriptions 
 Freeware alternatives Kalkulator 2.41 
 Free Download Kalkulator 2.41 from wrotniak.net 
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