[iPhone God App] It was found using the HiCalc Business Calculator actually

HiCalc Finance Edition includes 6 modules including Finance, Currency converter, Business Calculator, Tip calculator, Arithmetic and Trigonometry. All your business calculations will now be so simple!

Features:
- Supports Standard, String and RPN mode
- Fraction Mode support
- Precision to 31 digits
- Currency converter with daily update currency rate for 152 currencies
- Powerful history for saving expressions
- Smart input which allow to input complicated expression
- Shows expression as normal writing mode
- Supports Complex number
- Supports both USA and EUROPEAN style for date and numeric separator
- Skinable and sound support

- Full scientific calculator: sin, cos, tan, deg/rad/grad, PI, sin-1, cos-1, tan-1, sinh, cosh, tanh, log, ln, sinh-1, cosh-1, tanh-1, Dec->Deg, Deg->Dec, XY->R, Random, nPr, nCr,Derivation function, Evaluation function, Integration function,Root-Finder and Product function, Greatest Common Divisor, Least Common Multiple,Fibonacci function.

- Financial Functions: Present Value (PV), Future Value,Interest Rate, Payment Amount,Mortgage and Loan calculator, The total number of payment periods(NPER),Straight-line depreciation (SLN),Depreciation of an asset for a specified period using the fixed-declining balance method(DB)

Developed by PPCLINK Mobile Software