Math

Math::Combinatorics is a Perl module that can perform combinations and permutations on lists. SYNOPSIS Available as an object oriented API. use Math::Combinatorics; my @n = qw(a b c); my $combinat = Math::Combinatorics->new(count => 2, data => [@n], ); print "combinations of 2 from:...

Pie Math, Math Practice game, supports math practice for addition, subtraction and mixed problems. The student clicks on the gun above the correct answer and a pie shoots out towards the monkey, the monkey responds to the pie hit as if he is being teased (a popular activity for young students!).

Math::XOR is a package to handle XOR encryption of string buffers. SYNOPSIS use XOR; print xor_buf("hello", "world"), "n"; The XOR module allows you to quickly XOR two strings together. This is the only method of encryption that (assuming the randomness of the pattern used as an encryption...


Platforms: *nix

Math::Algebra::Symbols is a Symbolic Algebra in Pure Perl. SYNOPSIS Example symbols.pl #!perl -w -I.. use Math::Algebra::Symbols hyper=>1; use Test::Simple tests=>5; ($n, $x, $y) = symbols(qw(n x y)); $a += ($x**8 - 1)/($x-1); $b += sin($x)**2 + cos($x)**2; $c += (sin($n*$x) +...


Platforms: *nix

Math::Roman contains arbitrary sized Roman numbers and conversion from and to Arabic. SYNOPSIS use Math::Roman qw(roman); $a = new Math::Roman MCMLXXIII; # 1973 $b = roman(MCMLXI); # 1961 print $a - $b,"n"; # prints XII $d = Math::Roman->bzero(); # $d++; # I $d += 1998; # MCMXCIX $d...


Platforms: *nix

Math::Fractal::DLA is a Diffusion Limited Aggregation (DLA) Generator. SYNOPSIS use Math::Fractal::DLA; $fractal = new Math::Fractal::DLA; # Dynamic loading of the subclass Math::Fractal::DLA::TYPE $fractal->setType( TYPE ); # Open the log file FILE $fractal->debug( debug => 1, logfile...


Platforms: *nix

Math::Telephony::ErlangC is a Perl extension for Erlang C calculations. SYNOPSIS use Math::Telephony::ErlangC; # Evaluate probability that a service request will have to wait $wprob = wait_probability($traffic, $servers); # Probability that the wait time will be less than a fixed maximum...


Platforms: *nix

Math::Matrix can multiply and invert Matrices. The following methods are available: new Constructor arguments are a list of references to arrays of the same length. The arrays are copied. The method returns undef in case of error. $a = new Math::Matrix ([rand,rand,rand],...


Platforms: *nix

Math Games Level 1 teaches addition and multiplication with numbers from 1 to 12. Using the mouse, a student can select the values to calculate. Then, he or she clicks on the "Ask Me" button and lets the robot do the calculation and report the result. The game window can be maximized to make it...


Platforms: Windows

Math::CDF is a Perl module to generate probabilities and quantiles from several statistical probability functions. SYNOPSIS use Math::CDF; $prob = &Math::CDF::pnorm(1.96); if( not defined($z = &Math::CDF::qnorm(0.975)) ) { die "qnorm() failed"; } or use Math::CDF qw(:all); $prob =...


Platforms: *nix

Math::Symbolic::MiscAlgebra contains miscellaneous algebra routines like det(). SYNOPSIS use Math::Symbolic qw/:all/; use Math::Symbolic::MiscAlgebra qw/:all/; # not loaded by Math::Symbolic @matrix = ([x*y, z*x, y*z],[x, z, z],[x, x, y]); $det = det @matrix; @vector = (x, y, z);...


Platforms: *nix

Ryan's Math Quiz... Flash card style math reinforcement and proficiency enhancement. Simple interface with positive feedback and quiz quality reporting. Difficulty adjustable for 1st grade level math or higher. Configurable for professional teaching environments, simple enough for a child to use...


Platforms: Mac

Math::Polynomial::Solve is a Perl module to find the roots of polynomial equations. SYNOPSIS use Math::Complex; # The roots may be complex numbers. use Math::Polynomial::Solve qw(poly_roots); my @x = poly_roots(@coefficients); or use Math::Complex; # The roots may be complex numbers....


Platforms: *nix

Math::Zap::Triangle module can build triangles in 3D space. Synopsis Example t/triangle.t #_ Triangle ___________________________________________________________ # Test 3d triangles # philiprbrenan@yahoo.com, 2004, Perl License...


Platforms: *nix

Math::Vec is a Object-Oriented Vector Math Methods in Perl. SYNOPSIS use Math::Vec; $v = Math::Vec->new(0,1,2); or use Math::Vec qw(NewVec); $v = NewVec(0,1,2); @res = $v->Cross([1,2.5,0]); $p = NewVec(@res); $q = $p->Dot([0,1,0]); or use Math::Vec qw(:terse); $v = V(0,1,2); $q...


Platforms: *nix

OxMath is an open source 2D/3D math library for REALbasic with ubiquitous vector, quaternion, and axis angle classes, plus vector array classes for efficient vertex/triangle storage and batch processing.The library also includes bounding volume/intersection classes, and waveform "function"...


Platforms: Mac

SYNOPSIS use Math::MatrixReal; use Math::MatrixReal::Aug; These are certain extra methods for Math::MatrixReal, in the tradition of Math::MatrixReal::Ext1; $matrix1->augmentright($matrix2); Creates a new matrix of the form [$matrix1 $matrix2]. $matrix1 and $matrix2 must have the same...


Platforms: *nix

Math::Pari is a Perl interface to PARI. SYNOPSIS use Math::Pari; $a = PARI 2; print $a**10000; or use Math::Pari qw(Mod); $a = Mod(3,5); print $a**10000; This package is a Perl interface to famous library PARI for numerical/scientific/number-theoretic calculations. It allows use of...


Platforms: *nix

Math::Logic is a Perl module that provides pure 2, 3 or multi-value logic. SYNOPSIS use Math::Logic qw( $TRUE $FALSE $UNDEF $STR_TRUE $STR_FALSE $STR_UNDEF ) ; # 1 0 -1 TRUE FALSE UNDEF use Math::Logic :NUM ; # $TRUE $FALSE $UNDEF -- what you normally want use Math::Logic :ALL ; # All...


Platforms: *nix

Math::Symbolic is a Perl module for symbolic calculations. SYNOPSIS use Math::Symbolic; my $tree = Math::Symbolic->parse_from_string(1/2 * m * v^2); # Now do symbolic calculations with $tree. # ... like deriving it... my ($sub) = Math::Symbolic::Compiler->compile_to_sub($tree); my...


Platforms: *nix