neu.Calc|生產應用線上App不用買

neu.Calc is an innovative financial/scientific calculator, which makes complex calculations much easier than traditional calculators or spreadsheet applications.Also includes unit conversion and a programmer's calculator.◆ List - a series of numbersOne of the unique features of neu.Calc is the ability to deal with a series of numbers (list) directly.If you want to calculate the average of a series of numbers, simply input the numbers a list, then tap the "avg" button. (45, 55, 58, 62, 72, 80, 100) avg = 67.43If you want to calculate the internal rate of return for a series of cash flows, input those numbers and tap the "IRR" button. (-1000, 300, 300, 300, 300) IRR = 0.0771◆ Label and referencesEach time the "=" button is used, neu.Calc creates a formula. Each formula is automatically labeled (M1, M2, M3, ..., ) and can be referenced by other formulas. To reference an existing formula, tap on it in the sheet. Labels can be changed by tapping on the label to the left of the formula, when the formula is being entered or edited.M1: 45, 55, 58, 62, 72, 80, 100 = 45, 55, 58, 62, 72, 80, 100M2: M1 avg = 67.43M3: M1 sum = 472.00M4: M1 stdev = 16.97M5: 60, 52, 50, 70, 100, 74, 95 = 60, 52, 50, 70, 100, 74, 95M6: M1 correl M5 = 0.75Here is another example.M1: -1000 = -1000M2: 300 = 300M3: M1, M2 rep 4 = -1000, 300, 300, 300, 300M4: 6 % = 0.06M5: M3 NPV M4 = 39.53◆ SolverSolver is a powerful tool to solve linear equations. In order to solve an equation, you need to first create a formula for an unknown value with an estimate, and create a formula (or formulas) that represents the equation.Here is a simple example to solve the equation "x * 2.5 = 100", where the estimate is 10.M1: 10 = 10.00M2: M1 * 2.5 - 100 = -75.00In order to get the appropriate value for M1 (x in the original equation) that makes the result of M2 zero, tap the "Edit" button of M1, then the "Solve" button of M2. You'll get the following result.M1: 40.00 = 40.00M2: M1 * 2.5 - 100 = 0.00To demonstrate a more complex case, take a look at the NPV example again.M1: -1000 = -1000M2: 300 = 300M3: M1, M2 rep 4 = -1000, 300, 300, 300, 300M4: 6 % = 0.06M5: M3 NPV M4 = 39.53If you want to know the minimum yearly income to justify this investment, tap the "edit" button of M2, and tap the "solve" button of M5. You'll get this.M1: -1000 = -1000M2: 288.59 = 288.59M3: M1, M2 rep 4 = -1000, 288.59, 288.59, 288.59, 288.59M4: 6 % = 0.06M5: M3 NPV M4 = 0.00

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