Ecosyste.ms: Packages

An open API service providing package, version and dependency metadata of many open source software ecosystems and registries.

packagist.org "math" keyword

paybreak/math 0.0.1
PHP Math
1 version - Latest release: about 7 years ago - 487 downloads total - 0 stars on GitHub - 1 maintainer
jamesalday/doublemadoutliers
Uses the Double Median Absolute Deviation test to find outliers in data
Latest release: about 5 hours ago - 15 downloads total - 3 stars on GitHub - 1 maintainer
mykholy/combinations v1.0.0
My awesome package for combinations generation
2 versions - Latest release: about 1 month ago - 6 downloads total - 0 stars on GitHub - 1 maintainer
Top 1.5% on packagist.org
laminas/laminas-math 3.7.0 💰
Create cryptographically secure pseudo-random numbers, and manage big integers
78 versions - Latest release: 7 months ago - 46 dependent packages - 1,072 dependent repositories - 12.7 million downloads total - 25 stars on GitHub - 1 maintainer
andersonrezende/formula-executor v1.0.0
Formula converter and executor in string format
1 version - Latest release: 10 months ago - 2 downloads total - 0 stars on GitHub - 1 maintainer
platine-php/expression v1.0.0
Platine Expression is an expression parser, evaluator with support of custom operators and functions
2 versions - Latest release: 5 months ago - 1 dependent package - 1 dependent repositories - 2 thousand downloads total - 1 stars on GitHub - 1 maintainer
Top 7.7% on packagist.org
aboyadzhiev/php-math-parser 2.0.0
Simple mathematical expression parser and calculator.
2 versions - Latest release: over 1 year ago - 6 dependent repositories - 36.8 thousand downloads total - 24 stars on GitHub - 1 maintainer
Top 2.1% on packagist.org
phpseclib/bcmath_compat 2.0.2
PHP 5.x-8.x polyfill for bcmath extension
12 versions - Latest release: 3 months ago - 6 dependent packages - 1,766 dependent repositories - 16.8 million downloads total - 164 stars on GitHub - 1 maintainer
timo-lehnertz/formula 1.0.46
An open source PHP formula parser based on https://github.com/socialist/formula
43 versions - Latest release: 8 days ago - 1.54 thousand downloads total - 0 stars on GitHub - 1 maintainer
Top 0.6% on packagist.org
azjezz/psl 2.9.1 💰
PHP Standard Library
47 versions - Latest release: about 1 month ago - 38 dependent packages - 92 dependent repositories - 3.12 million downloads total - 1,147 stars on GitHub - 1 maintainer
sivlev/phpmathobjects v0.1.0
PHPMathObjects: A PHP library for handling mathematical objects.
1 version - Latest release: 4 days ago - 8 downloads total - 0 stars on GitHub - 1 maintainer
samsara/fermat-matrices-and-vectors 💰
A module for the Fermat math library which adds matrices and vectors functions.
Latest release: 1 day ago - 79 downloads total - 0 stars on GitHub - 1 maintainer
Top 7.5% on packagist.org
gregwar/tex2png v1.0.0
LaTeX formula to PNG
1 version - Latest release: over 8 years ago - 5 dependent repositories - 34.5 thousand downloads total - 70 stars on GitHub - 1 maintainer
samsara/fermat-complex-numbers 💰
A module for the Fermat math library which handles complex numbers.
Latest release: 1 day ago - 73 downloads total - 0 stars on GitHub - 1 maintainer
graham-campbell/matrices v0.2.0-alpha 💰
Matrices Adds Matrix Algebra To PHP
2 versions - Latest release: about 8 years ago - 4 dependent repositories - 6 downloads total - 13 stars on GitHub - 1 maintainer
scheldejonas/moontoast-math 1.1.1
A mathematics library, providing functionality for large numbers
4 versions - Latest release: over 3 years ago - 420 downloads total - 0 stars on GitHub - 1 maintainer
Top 0.7% on packagist.org
hoa/math 1.17.05.16
The Hoa\Math library.
17 versions - Latest release: almost 7 years ago - 25 dependent packages - 865 dependent repositories - 11.2 million downloads total - 366 stars on GitHub - 1 maintainer
Top 8.2% on packagist.org
maba/math v1.0.1
PHP library for arbitrary precision mathematics
2 versions - Latest release: over 9 years ago - 2 dependent packages - 11 dependent repositories - 48.5 thousand downloads total - 3 stars on GitHub - 1 maintainer
Top 1.2% on packagist.org
jlawrence/eos v3.2.2
Parse and solve math equations without using 'eval()'.
13 versions - Latest release: about 8 years ago - 16 dependent packages - 564 dependent repositories - 1.07 million downloads total - 105 stars on GitHub - 1 maintainer
Top 1.3% on packagist.org
moontoast/math 1.2.1 💰
A mathematics library, providing functionality for large numbers
7 versions - Latest release: over 4 years ago - 151 dependent packages - 6,383 dependent repositories - 23.3 million downloads total - 458 stars on GitHub - 1 maintainer
vipxieliang/math-combination
MathCombination
Latest release: 1 day ago - 8 downloads total - 1 stars on GitHub - 1 maintainer
Top 4.6% on packagist.org
powder96/numbers.php
Advanced Mathematics Library for PHP (port of Numbers.js)
Latest release: 1 day ago - 2 dependent packages - 6 dependent repositories - 28.5 thousand downloads total - 160 stars on GitHub - 1 maintainer
mecha-cms/x.comment.guard.math v1.0.1 💰
Simple math CAPTCHA for comment extension.
2 versions - Latest release: 2 months ago - 2 downloads total - 0 stars on GitHub - 1 maintainer
wells5609/decimal
Library built atop the Decimal and Datastructures PHP extensions
Latest release: 2 days ago - 0 downloads total - 0 stars on GitHub - 1 maintainer
mibo/prices 2.0.1
PHP lib for prices
8 versions - Latest release: 6 days ago - 1 dependent package - 1.21 thousand downloads total - 0 stars on GitHub - 1 maintainer
mecha-cms/x.katex v1.0.0 💰
Math typesetting library for the web by Khan Academy.
1 version - Latest release: 3 months ago - 3 downloads total - 0 stars on GitHub - 1 maintainer
Top 0.2% on packagist.org
brick/math 0.12.1 💰
Arbitrary-precision arithmetic library
55 versions - Latest release: 5 months ago - 128 dependent packages - 204,357 dependent repositories - 257 million downloads total - 1,751 stars on GitHub - 1 maintainer
interop-phpobjects/polite-math 1.0.7
Interoperability of interfaces around the Math
8 versions - Latest release: about 1 month ago - 2 dependent packages - 6 dependent repositories - 19.8 thousand downloads total - 0 stars on GitHub - 1 maintainer
gabrielgeorgescu/yii2-math
math functions
Latest release: 3 days ago - 4 dependent repositories - 116 downloads total - 1 stars on GitHub - 1 maintainer
inimist/cakephp-captcha 1.2.2
CakePHP Captcha Plugin, Image, Math and Google Recaptcha Support
3 versions - Latest release: over 4 years ago - 1 dependent package - 3 dependent repositories - 448 downloads total - 4 stars on GitHub - 1 maintainer
aedart/athenaeum-utils 8.3.0
Offers a few utility components that are used by the Athenaeum packages
119 versions - Latest release: 4 days ago - 13 dependent packages - 14 dependent repositories - 22.9 thousand downloads total - 0 stars on GitHub - 1 maintainer
florianwolters/component-number-fraction
Fraction is a Number implementation that stores a fraction (numerator/denominator) accurately.
Latest release: 4 days ago - 4 dependent repositories - 13 downloads total - 0 stars on GitHub - 1 maintainer
Top 3.7% on packagist.org
dogma/dogma v0.2.22
The incomplete standard library
50 versions - Latest release: 11 months ago - 8 dependent packages - 13 dependent repositories - 113 thousand downloads total - 25 stars on GitHub - 1 maintainer
Top 2.3% on packagist.org
krowinski/bcmath-extended 7.0.0
Extends php BCMath lib for missing functions like floor, ceil, round, abs, min, max, rand for big...
25 versions - Latest release: over 1 year ago - 13 dependent packages - 24 dependent repositories - 642 thousand downloads total - 74 stars on GitHub - 1 maintainer
Top 8.2% on packagist.org
mathematicator-core/tokenizer v3.0.1 💰
Math Tokenizer
14 versions - Latest release: about 3 years ago - 5 dependent packages - 9 dependent repositories - 4.39 thousand downloads total - 8 stars on GitHub - 1 maintainer
meniam/permutation v1.0.0
Permutation algorithm on PHP
4 versions - Latest release: over 9 years ago - 1 dependent package - 6 dependent repositories - 7.63 thousand downloads total - 0 stars on GitHub - 1 maintainer
sysvyz/anan 1.0.0-alpha.1.0
php math lib
2 versions - Latest release: over 7 years ago - 1 dependent package - 1 dependent repositories - 18 downloads total - 0 stars on GitHub - 1 maintainer
Top 5.3% on packagist.org
webeweb/core-library v9.3.0
Core library
160 versions - Latest release: 6 days ago - 22 dependent packages - 21 dependent repositories - 131 thousand downloads total - 6 stars on GitHub - 1 maintainer
bingo-soft/heap v1.7.1
PHP library containing heap implementations
9 versions - Latest release: over 1 year ago - 2 dependent packages - 1 dependent repositories - 2.2 thousand downloads total - 0 stars on GitHub - 1 maintainer
phpcommon/intmath 1.0.0-beta
A library for arithmetic operations on integers that wraps around upon overflow.
1 version - Latest release: almost 8 years ago - 1 dependent package - 1 dependent repositories - 219 downloads total - 4 stars on GitHub - 1 maintainer
enimiste/math v1.0.1
Math calculation, number representation package
2 versions - Latest release: over 7 years ago - 1 dependent package - 3 dependent repositories - 186 downloads total - 0 stars on GitHub - 1 maintainer
Top 8.3% on packagist.org
phpmath/bignumber 1.2.0
A PHP library to work with big numbers.
3 versions - Latest release: almost 8 years ago - 2 dependent packages - 10 dependent repositories - 31.7 thousand downloads total - 5 stars on GitHub - 1 maintainer
zhuravljov/yii2-calc-validator 1.0
Math expression validator for Yii2
1 version - Latest release: about 9 years ago - 63 downloads total - 4 stars on GitHub - 1 maintainer
mathematicator-core/mandelbrot-set v3.0.1 💰
Mandelbrot set simple PHP Generator.
7 versions - Latest release: about 3 years ago - 1 dependent package - 2 dependent repositories - 2.89 thousand downloads total - 2 stars on GitHub - 1 maintainer
Top 8.2% on packagist.org
mdmsoft/yii2-captcha 1.0.1
Captcha with math equation
3 versions - Latest release: over 9 years ago - 17 dependent repositories - 9.52 thousand downloads total - 39 stars on GitHub - 1 maintainer
asika/math 0.7.0
Arbitrary-precision arithmetic library for PHP 5.3
18 versions - Latest release: almost 7 years ago - 825 downloads total - 0 stars on GitHub - 1 maintainer
Top 8.9% on packagist.org
elic-dev/laravel-math-captcha 1.1.1
A simple math captcha for Laravel form validation.
8 versions - Latest release: almost 2 years ago - 5 dependent repositories - 38.1 thousand downloads total - 12 stars on GitHub - 1 maintainer
mathematicator-core/calculator v3.0.2 💰
Advance PHP math calculator with complex operations.
19 versions - Latest release: about 3 years ago - 1 dependent package - 4 dependent repositories - 2.93 thousand downloads total - 2 stars on GitHub - 1 maintainer
schnipseljagd/decimal v0.2.1
decimal value implementation for php
3 versions - Latest release: almost 10 years ago - 4 dependent repositories - 961 downloads total - 6 stars on GitHub - 1 maintainer
Top 9.1% on packagist.org
components/mathjs v5.10.3 abandoned 💰
Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expressio...
118 versions - Latest release: almost 5 years ago - 4 dependent repositories - 2.95 thousand downloads total - 14,040 stars on GitHub - 1 maintainer
rocky114/math v0.1
the four fundamental operations of arithmetic
1 version - Latest release: almost 4 years ago - 1 downloads total - 1 stars on GitHub - 1 maintainer
baraja-core/combinations v2.0.0
Smart algorithms about combinations and generators.
5 versions - Latest release: about 3 years ago - 1 dependent package - 1 dependent repositories - 45.7 thousand downloads total - 1 stars on GitHub - 1 maintainer
jamesgerat/exprlib 1.5.1
An expression parser in PHP
7 versions - Latest release: 3 months ago - 394 downloads total - 0 stars on GitHub - 1 maintainer
samsara/fermat-stats v1.0.0 💰
A module for the Fermat math library which adds statistics function.
1 version - Latest release: almost 3 years ago - 1 dependent package - 1 dependent repositories - 87 downloads total - 3 stars on GitHub - 1 maintainer
Top 0.5% on packagist.org
markrogoyski/math-php v2.10.0
Math Library for PHP. Features descriptive statistics and regressions; Continuous and discrete pr...
137 versions - Latest release: 24 days ago - 34 dependent packages - 138 dependent repositories - 3.78 million downloads total - 2,305 stars on GitHub - 1 maintainer
hi-folks/statistics v1.0.0
PHP package that provides functions for calculating mathematical statistics of numeric data.
11 versions - Latest release: 5 months ago - 1 dependent repositories - 33.9 thousand downloads total - 354 stars on GitHub - 1 maintainer
Top 9.8% on packagist.org
kschu91/largest-remainder-method v1.1
A PHP implementation of the largest remainder method algorithm. This method is the most common wa...
4 versions - Latest release: over 2 years ago - 1 dependent package - 3 dependent repositories - 43 thousand downloads total - 11 stars on GitHub - 1 maintainer
Top 3.4% on packagist.org
ionux/phactor v1.0.8
Phactor is a high-performance PHP implementation of the elliptic curve math functions required to...
8 versions - Latest release: about 6 years ago - 20 dependent packages - 13 dependent repositories - 32.2 thousand downloads total - 48 stars on GitHub - 1 maintainer
enlitepro/russell-interpreter v1.0.5
php, interpreter
6 versions - Latest release: about 10 years ago - 1 dependent package - 5 dependent repositories - 590 downloads total - 0 stars on GitHub - 1 maintainer
ionux/rapim 1.0.0
This project is a native Rich Arbitrary Precision Integer Mathematics Library implementation for ...
1 version - Latest release: over 8 years ago - 2 downloads total - 2 stars on GitHub - 1 maintainer
ionux/php-asn1-library
This project aims to provide a complete PHP library for the encoding and decoding of ASN.1 DER en...
Latest release: 6 days ago - 9 downloads total - 7 stars on GitHub - 1 maintainer
tiny-blocks/math 2.0.1
Value Objects for handling arbitrary precision numbers.
4 versions - Latest release: 11 months ago - 1 dependent package - 1 dependent repositories - 518 downloads total - 1 stars on GitHub - 1 maintainer
Top 0.9% on packagist.org
zendframework/zend-math 3.2.0
Create cryptographically secure pseudo-random numbers, and manage big integers
68 versions - Latest release: over 5 years ago - 79 dependent packages - 9,261 dependent repositories - 17.6 million downloads total - 55 stars on GitHub - 1 maintainer
thesoftwarefarm/exprlib
An expression parser in PHP
Latest release: 6 days ago - 1 dependent repositories - 2.66 thousand downloads total - 2 stars on GitHub - 1 maintainer
mibo/prices-combinations 2.0.0
Extension of mibo/prices lib
2 versions - Latest release: 6 months ago - 637 downloads total - 0 stars on GitHub - 1 maintainer
gregwar/tex2png-bundle
LaTeX to PNG formulas converter
Latest release: 6 days ago - 4 dependent repositories - 1.77 thousand downloads total - 4 stars on GitHub - 1 maintainer
dwo/math v1.0.0
Library to deal with some mathematical stuff. Implemented or partially implemented mathematical c...
1 version - Latest release: over 7 years ago - 1 dependent package - 1 dependent repositories - 142 downloads total - 0 stars on GitHub - 1 maintainer
ghua/anderson-darling-test
PHP implementation of Anderson Darling test
Latest release: 6 days ago - 4 dependent repositories - 56 downloads total - 0 stars on GitHub - 1 maintainer
samsara/fermat-algebra-expressions 💰
A module for the Fermat math library which adds algebraic expressions.
Latest release: 6 days ago - 1 dependent repositories - 80 downloads total - 0 stars on GitHub - 1 maintainer
rabsana/core v1.0.2
The Rabsana Core
1 version - Latest release: 8 months ago - 3 dependent packages - 2 dependent repositories - 5 downloads total - 0 stars on GitHub - 1 maintainer
Top 4.3% on packagist.org
numphp/numphp v1.2.0
Mathematical PHP library for scientific computing
8 versions - Latest release: over 4 years ago - 1 dependent package - 15 dependent repositories - 64.4 thousand downloads total - 135 stars on GitHub - 1 maintainer
enimiste/l5-math v1.1.1
Laravel 5 Math calculation, number representation package
3 versions - Latest release: over 7 years ago - 2 dependent packages - 2 dependent repositories - 177 downloads total - 0 stars on GitHub - 1 maintainer
gries/pokemath 19.10.31.1
A PHP library to make calculation in base pokemon
1 version - Latest release: over 8 years ago - 5 dependent repositories - 6 downloads total - 4 stars on GitHub - 1 maintainer
cse/helpers-math-converter 1.0.1
A mathematics helpers, providing functionality for numbers converter.
2 versions - Latest release: about 5 years ago - 1 dependent package - 1 dependent repositories - 67 downloads total - 6 stars on GitHub - 1 maintainer
mathematicator-core/numbers v2.1.3 💰
Safety operations with numbers.
13 versions - Latest release: over 3 years ago - 6 dependent packages - 10 dependent repositories - 4.76 thousand downloads total - 2 stars on GitHub - 1 maintainer
Top 8.6% on packagist.org
rindow/rindow-math-matrix 2.0.4
The fundamental package for scientific matrix operation
30 versions - Latest release: 12 days ago - 3 dependent packages - 5 dependent repositories - 17.6 thousand downloads total - 10 stars on GitHub - 1 maintainer
flagrow/flarum-ext-latex 0.1.1
Renders LaTeX expressions.
2 versions - Latest release: about 8 years ago - 2 dependent repositories - 855 downloads total - 3 stars on GitHub - 2 maintainers
freezewarp/php-shunting-yard 1.2.1
Flexible shunting yard parser, based on https://github.com/andig/php-shunting-yard
9 versions - Latest release: almost 5 years ago - 103 downloads total - 2 stars on GitHub - 1 maintainer
dennis-de-swart/php-math-parser
A simple shunting-yard based math parser and executor for PHP
Latest release: 7 days ago - 9 downloads total - 0 stars on GitHub - 1 maintainer
hreitsma/yii2-simplemath-captcha
Simple Math Captcha
Latest release: 7 days ago - 4 dependent repositories - 4.57 thousand downloads total - 8 stars on GitHub - 1 maintainer
pmishev/php-shunting-yard
Refactored repack of https://github.com/andig/php-shunting-yard
Latest release: 8 days ago - 4 dependent repositories - 221 downloads total - 1 stars on GitHub - 1 maintainer
Top 1.8% on packagist.org
nxp/math-executor v2.3.6
Simple math expressions calculator
43 versions - Latest release: 3 months ago - 6 dependent packages - 25 dependent repositories - 943 thousand downloads total - 181 stars on GitHub - 1 maintainer
gries/pokebot
Slackbot commands to integrate Pokemath into slack
Latest release: 8 days ago - 1 dependent repositories - 2 downloads total - 0 stars on GitHub - 1 maintainer
Top 3.4% on packagist.org
mathjax/mathjax 3.2.2 💰
MathJax is an open-source JavaScript display engine for LaTeX, MathML, and AsciiMath notation tha...
39 versions - Latest release: almost 2 years ago - 1 dependent package - 12 dependent repositories - 69.4 thousand downloads total - 9,907 stars on GitHub - 1 maintainer
Top 8.4% on packagist.org
phpmath/biginteger 2.1.0
A PHP library to work with big integers.
4 versions - Latest release: over 6 years ago - 2 dependent packages - 7 dependent repositories - 3.01 thousand downloads total - 19 stars on GitHub - 1 maintainer
jitesoft/math 1.0.0 💰
Math lib for php 7.1+.
1 version - Latest release: over 6 years ago - 1 dependent package - 4 dependent repositories - 277 downloads total - 0 stars on GitHub - 1 maintainer
Top 1.6% on packagist.org
rubix/tensor 3.0.5 💰
A library and extension that provides objects for scientific computing in PHP.
29 versions - Latest release: about 2 months ago - 5 dependent packages - 47 dependent repositories - 652 thousand downloads total - 216 stars on GitHub - 1 maintainer
mathematicator-core/search v3.0.1 💰
Mathematicator advance search engine.
21 versions - Latest release: about 3 years ago - 2 dependent packages - 2 dependent repositories - 2.52 thousand downloads total - 3 stars on GitHub - 1 maintainer
samsara/fermat-all v1.0.0 💰
A metapackage requiring Fermat and all of its modules.
1 version - Latest release: almost 3 years ago - 3 downloads total - 0 stars on GitHub - 1 maintainer
signpostmarv/brick-math-base-convert v0.2.0 💰
Arbitrary Base Conversion Library
5 versions - Latest release: almost 2 years ago - 3 dependent packages - 3 dependent repositories - 74 downloads total - 0 stars on GitHub - 1 maintainer
dereuromark/cakephp-math 💰
A CakePHP plugin containing lots of useful math tools
Latest release: 8 days ago - 4 dependent repositories - 8 downloads total - 3 stars on GitHub - 1 maintainer
dykyi-roman/math-parser v0.1
Math parser
2 versions - Latest release: almost 7 years ago - 22 downloads total - 0 stars on GitHub - 1 maintainer
Top 8.7% on packagist.org
xylemical/php-expressions v1.1.0
An extensible mathematical expression parser and evaluator.
5 versions - Latest release: over 1 year ago - 1 dependent package - 6 dependent repositories - 45.7 thousand downloads total - 4 stars on GitHub - 1 maintainer
Top 2.4% on packagist.org
drupol/phpermutations 1.4.0 💰
Generators and iterators, permutations and combinations.
12 versions - Latest release: almost 4 years ago - 8 dependent packages - 18 dependent repositories - 489 thousand downloads total - 75 stars on GitHub - 1 maintainer
jcubic/expression 2.0.0 💰
Safely evaluate math, string, and boolean expressions
5 versions - Latest release: 4 months ago - 56 downloads total - 1 stars on GitHub - 1 maintainer
agelxnash/functions 1.2.0
Extra functions php
8 versions - Latest release: over 5 years ago - 8 dependent repositories - 1.6 thousand downloads total - 8 stars on GitHub - 1 maintainer
geogebra/extension-tao-geogebra
GeoGebra extension for TAO
Latest release: 8 days ago - 17 downloads total - 3 stars on GitHub - 1 maintainer
antonamosov/laravel-math-captcha 1.1.1
A simple math captcha for Laravel form validation with different operations.
6 versions - Latest release: over 5 years ago - 50 downloads total - 0 stars on GitHub - 1 maintainer
code-distortion/realnum 0.7.5
Arbitrary-precision floating-point maths with locale-aware formatting - integrated with Laravel o...
18 versions - Latest release: over 1 year ago - 1 dependent package - 1 dependent repositories - 9.12 thousand downloads total - 1 stars on GitHub - 1 maintainer
ghostjat/np 0.0.1-alpha
Np (numphp) is numerical library with low memory footprint for php language. Suitable for large s...
1 version - Latest release: almost 3 years ago - 23 downloads total - 8 stars on GitHub - 1 maintainer
Related Keywords
php 103 mathematics 32 parser 29 expression 27 bcmath 26 calculator 22 number 21 matrix 21 library 18 arithmetic 17 precision 16 numbers 16 laravel 14 calculation 14 formula 13 statistics 13 decimal 13 vector 12 gmp 10 extension 10 eval 10 Algorithm 10 bignumber 10 php-library 10 linear-algebra 9 bigint 9 captcha 9 equation 9 helper 9 integer 9 array 9 money 8 currency 8 mathematicator 8 expressions 8 mathematical 8 bigdecimal 8 BigInteger 8 rindow 8 yii2 8 large numbers 7 latex 7 graph 7 biginteger 7 brick 7 Arbitrary-precision 7 arbitrary-precision 6 complex-numbers 6 shunting yard 6 evaluator 6 algorithms 6 helpers 6 permutation 6 scientific-computing 6 string 6 fraction 6 arbitrary 6 utility 6 price 6 hacktoberfest 5 converter 5 combination 5 combinatorics 5 calculations 5 ffi 5 property 5 properties 5 php8 5 html 5 json 5 base 5 framework 5 algebra 5 linear algebra 5 finance 5 Exchanging 4 prices 4 exchange 4 currencies 4 lib 4 engineering 4 value 4 tax 4 vat 4 composer 4 tex 4 katex 4 trigonometry 4 php7 4 subtraction 4 interpreter 4 math parser 4 multiplication 4 prime 4 collection 4 division 4 database 4 addition 4 utils 4 combinations 4