dynamic math problem generation with PHP

Need PHP programmer with creative mind to expend our problem sets.
We would need to dynamically generate different types of math problem with various complexity.
Your problems will be published in EDUgnosis.com website. please take a look to get the idea.
User workflow:
1. users choose problem type, e.g.
.... Probability, Pythagorean Theorem, Factorials, Radicals, Ratios, Rounding
2. complexity level (from 1 to 100) or (Grade 1-Grade 12)
3. output type:
3.a PDF -user will print PDF to work offline (solutions should be on the last page)
3.b workonline - problems will be presented online along with respective solutions.

Please chose your preferred topic. Each of your module should use its own tables and programming logic. good documentation is encouraged. Problems should be generated randomly minimizing potential duplication.
Pay: 20$ for each problem, 100$ for covering multi-layer subtopics with various forking options.
If successful, can expand problem generation to other subjects (physics, chemistry, geography etc.)
About the recuiter
Member since May 20, 2018
Bharat Jeswani
from Bologna, Italy

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