My Options app for iPhone and iPad

My Options iPhone app to calculate financial option. Currently it covers generic European and digital options on foreign exchange.
The app is suitable for students, educators, investors and professionals alike.
Student can learn options greeks behaviour beyond materials provided in most text books. Option greeks behaviour are laid out in matrix/table format or a 3D/surface chart. Learning the behaviour is extended to include option strategies as well.
Pricing of structured products such as DCI are provided as well and the manual breakdown the product into a deposit and option.
Similarly, educators (trainer) and investors can gain deeper understanding of options, option strategies and structured products from the App.
My Options is an app that does the following:
1. calculates the interpolated short- and long-dated interest rates
2. calculates the forward short- and long-dated rates
3. calculates implied swap points and implied interest rates given input/actual swap points and interest rates.
4. calculates the value and greeks (delta, gamma, vega and vanna) of vanilla European and digital/binary options
5. calculates spot-volatility-greeks matrix for vanilla and digital/binary options which can be viewed as 3D chart.
6. calculates the value and greeks of your options portfolio
7. calculates the spot-volatility-greeks matrix of your portfolio which can also be viewed as 3D chart.
8. provides csv file loader to import trades, setup and historical price, volatility and rates data
9. includes option strategies such as call spread, put spread, call calendar spread, put calendar spread, straddle and strangle. Allowance for custom strategy with two European options such as risk reversals and participation strategies. Viewable risk profiles (greeks) can be viewed as matrix/table or 3D/surface chart.
10. Introduce chart setting allowing user to customise the ranges of the strategies variables.
11. Solver functionality in strategies to solve for either strike or volatility given value, delta position, or delta (%).
12. provides manual for all the functionalities available within the app.

The app may requires data connection during usage of csv file loader to upload csv file from user storage. Calculators and other functionalities do not require data connection.