Options, TheoreticalPrice

http://www.forexanalitics.narod.ru/nyman81.html

https://economics.studio/birji/prakticheskiy-primer-rascheta-teoreticheskoy-27980.html

https://steptosleep.ru/%D0%BC%D0%BE%D0%B4%D0%B5%D0%BB%D1%8C-%D0%B1%D0%BB%D1%8D%D0%BA%D0%B0-%D1%88%D0%BE%D1%83%D0%BB%D0%B7%D0%B0-%D0%BF%D1%80%D0%B8%D0%BC%D0%B5%D1%80-%D1%80%D0%B0%D1%81%D1%87%D0%B5%D1%82%D0%B0/

https://dtransposed.github.io/blog/Option-Pricing.html

https://quant.stackexchange.com/questions/7761/a-simple-formula-for-calculating-implied-volatility

https://github.com/gnagel/greeks

https://github.com/MichaelKono/BlackScholesOptionsCalculation

https://github.com/mathnet/mathnet-numerics

https://www.reddit.com/r/algotrading/comments/i1zx2e/blackscholes_library_for_c/

Excel

https://www.macroption.com/black-scholes-formula/

https://www.macroption.com/black-scholes-excel/