Calculators and
Games Updated August 2013 

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Ludus OrbisMain 
There are two
calculators, both freeware available from these pages: Command Line
Calculator, which is general purpose calculator. And Cocomo Calculator,
which is Constructive Cost Model Calculator used to calculate software
project sizes and costs. Command Line
Calculator can be used to calculate mathematical expressions of
unlimited length. Program supports user defined functions, user defined
variables, decimal numbers, binary numbers, hex numbers, date
calculations, most common functions like trigonometric functions,
logarithms and so on. User can also plot functions. Cocomo
calculator is based on the method
developed by Barry W. Boehm to estimate software projects size in man
months. Model is based on the number of lines of code and about 15
other parameters, which describes nature of a software project.
As addition new ball game has been added to
these pages  Ludus Orbis. Click the new link in the left. 