MathU RPN Calc 與 RLM-14BX 使用情況與統計

MathU RPN is an advanced scientific and financial calculator designed in the spirit of classic HP calculators. MathU RPN is based on the Reverse Polish Notation (RPN) entry system and combines more than 96 functions to create a calculator that meets the needs of professionals who use a calculator every day. First released in 2008, the calculator continues to be updated with new features as iOS improves. MathU RPN works on the iPhone and iPad. On the iPad, MathU RPN maintains its orientation as the iPad is turned and you can rotate it from portrait to landscape keypad layout via the Rotate button. When the iPad has a hardware keyboard attached, you can type of the names of the buttons the keyboard to execute them -- thus avoiding having to press the calculator keys with your finger. On the iPhone, you can lock it to use the portrait or landscape keypad or let it switch orientations automatically when you rotate your phone. MathU RPN is an excellent financial calculator. There are functions for computing mortgage amortization and cash flow computations like IRR and NPV, as well as functions for working with dates. Many of the existing financial functions have been extended to handle odd periods (conforming to the same conventions as the HP-12C). In addition, on tall devices (like most iPhones), the financial registers are displayed on the keypad. MathU RPN is also a programmer's calculator. The A-F keys are available right up front for easy entry in HEX mode and there are many functions for working with integers. Dr. Clay M. Thompson of Creative Creek has harnessed the computational power of the iPhone to produce an accurate and high performance calculator. General Features - IEEE double precision accuracy (16 digits) - High performance fast computations - 20 storage registers - 5 financial registers - 16 high stack (switchable to 4) - Supports international number separators - Switch between portrait and landscape keypads - Quick access to the preference and on-line manual - Stack and Register view (accessible via [RCL][RCL] Scientific Features - Full set of trigonometric functions - Full set of logarithmic and power functions - Statistics functions - Polar and rectangular conversions - Repeated computations Mortgage and Loan Features - Time value of Money functions - Compute mortgage and loan terms - Solve for payments and interest rates - Solve for IRR and NPV - Date functions Computer Science Features - Number bases (HEX, OCT, DEC, BIN) - Bitwise logical operations - Masking and shifting functions - Support for a wordsizes up to 48 bits - Modular arithmetic MathU 4.0 supports iOS 15 or higher. For more info (including the users manual) go to http://www.creativecreek.com or use the built-in quick reference.

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RLM-14BX

The RLM-14BX application is a financial and business calculator. It is based in the Hewlett-Packard HP-14B calculator, but specially designed to bring up the most of your iOS devices and , at the same time, conserving the easy of use and all the functions originally provided by the real calculator and nine menus added to expand it to professional level. Get it for free during 30 days (after you have to buy an In-App-Purchase lifetime payment). The RLM-14BX has a extensive Menu System accessed from the Main Menu or directly from the keyboard: >Main Menu: •Bond Price & Yield: Calculates the Price, Yield and Effective Duration of a Bond. •Call / Put: Black-Scholes Options Valuation Model to Calculates the CALL, PUT and “Greeks” values. •Depreciation: Calculates depreciation with SL, SOYD, DB or MACRS methods and conventions. •Date / Time: Calculates days between dates with Actual, 360 or 365 days calendars and time intervals between different times. •Currencies: world currencies conversions with manual input or on-line current rates. •Units Convert: Customizable physical units conversions. •Solver: Calculates arbitrary equations entered as text expression to solve any of the variables knowing the others. •Probability: Combinations, permutations and Normal, Exponential, t-Student and Weibull probability distributions. •Utilities: -General Settings: Customize many aspects of the calculator including formats & feedbacks. -Storage Registers: Store and perform operations directly over the calculators storage registers. -Memory Content: Clear, Back-Up or Restore part or all of the Calculator's memory. -Help Documents: Description and examples of all the calculator worksheets and features. -Solver Equation: Algebraic expression for use in the "Solver" worksheet. -Units Database: Customize the "Units" worksheet. >Keyboard Menus: •AMORT: Loan Amortization Schedule for a single or several loan payments. •CFLO: Cash Flows calculation of the NPV, IRR, NFV, NUS, Payback Period, etc. for different cash flows occurring at regular time intervals. •STAT: Statistics calculation of the Mean, Median, Standard Deviation, Curve Fitting and forecasting, etc. for two variables data samples. •MATH: Trigonometric and logarithmic functions. •B.EVEN: Break-Even analysis using the relation: Profit = (Price - Var.Cost) • Units - Fix.Cost •ROI: Return on Investment analysis using the relation: ROI% = Revenue • %Profit / Investment •INVEN: Inventory turnover analysis using the relation: Inventory Turnover = 2 • Cost of Goods Sold / (Begin - End inventory) >Keyboard direct functions: •Interest Rates Conversion: NOM%-EFF%-P for Nominal and effective interest conversion. •Percents Change: OLD-NEW-%CHG for percent change calculations. •Percent Total: TOTAL-PART-%TOTAL for percent total calculations. •Business Margin: CST-PRC-MAR for business margin calculations. •Time Value of Money (TVM): N-I/YR-PV-PMT-FV for compound interest calculations. System requirements: iOS 15.0 or above. In-App-Purchase: One-Payment for life. License Agreement: http://www.apple.com/legal/itunes/appstore/dev/stdeula Disclaimer: THIS IS NOT A HEWLETT PACKARD CALCULATOR, AND IS NOT SPONSORED IN ANYWAY BY HEWLETT PACKARD OR ANY OF ITS SUBSIDIARIES.