HP 300s+ Scientific manual Command Usage Tips, Calculations of Equations EQN

Page 71









 

(STAT) (Reg)

(A) 

(STAT) (Reg) (B) 

(STAT) (Reg)

(r) 

x= 3.5 → yˆ = ?

(STAT) (Reg)

( yˆ ) 

y= 15 → x = ?

(STAT)

(Reg) ( x ) 

Command Usage Tips

The commands include in the Reg sub-menu can take a long time to execute in logarithmic, e exponential, ab exponential, or power regression calculation when there are a large number of data samples.

Calculations of Equations (EQN)

Use the key to enter the EQN mode when you want to solve an equation. In EQN mode, you can solve simultaneous linear equations with up to three unknowns.

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Contents HP 300s+ Scientific Calculator User Guide First Edition September Part number Table of contents Using Calculator Memory Transforming Displayed Values Reference If key marking text is It means this This color About this ManualExample , , , , , etc Initializing the Calculator Safety PrecautionsBattery Disposing of the Calculator Other PrecautionsBefore Using the Calculator Using the Protective Hard CaseAdjusting Display Contrast Turning Power On and OffMath Display IndicatorsAbout the Display Calculation Modes Calculation Modes and Calculator SetupSpecifying the Calculation Mode Configuring the Calculator SetupFix -  Specifying the Default Angle UnitSpecifying the Number of Display Digits Calculation Result Display ExamplesSpecifying the Decimal Point Display Format Initializing the Calculation Mode and Other SettingsSpecifying the Fraction Format Specifying the Statistical Display Format    Inputting a Calculation Expression Using Standard FormatInputting Expressions and Values Inputting a General FunctionNumber of Input Characters Bytes Omitting the Multiplication SignFinal Closed Parentheses Displaying a Long Expression Correcting an ExpressionAbout Insert and Overwrite Input Modes Changing the Character or Function You Just Input    Deleting a Character or FunctionCorrecting a Calculation          Displaying the Location of an ErrorOverwrite Mode     Inserting Input into a CalculationMath Format Input Examples Functions and Symbols Supported for Math Format InputInputting with Math Format     Incorporating a Value into a Function     Page Example 2 sin60 =  sin-1 Example 1 2 + 8 = 3 Form Calculation Range GradsOmitting a Final Closed Parentheses Basic Calculations CompArithmetic Calculations Number of Decimal Places and Number of Significant Digits   Fraction Calculations            Switching Between Fraction and Decimal FormatPercent Calculations %  %  %  %   %Converting Values Between Sexagesimal and Decimal Degree, Minute, Second Sexagesimal CalculationsInputting Sexagesimal Values Sexagesimal CalculationsRecalling Calculation History Memory Contents Using Multi-statements in CalculationsUsing Calculation History Memory and Replay Comp  Replay Function     Using Calculator MemoryAnswer Memory Ans  Independent Memory Overview Inputting Answer Memory Contents into an ExpressionIndependent Memory M   M Variables A, B, C, D, E, F, X, Y Pi π and Natural Logarithm Base Clearing the Contents of All MemoriesFunction Calculations    sin-1 Trigonometric and Inverse Trigonometric FunctionsHyperbolic and Inverse Hyperbolic Functions  cos-1  cos-1 Exponential Functions and Logarithmic Functions π   π e        Power Functions and Power Root Functions  Rectangular-Polar Coordinate ConversionConverting to Polar Coordinates Pol Converting to Rectangular Coordinates Rec Greatest Common Divisor and Least Common Multiple Pol   ,   Pol   ,   Rec   Division with Quotient and Remainder Integer Function and the Greatest Integer Function    Fraction Simplification Function  A   Using CalcMetric Conversion     ,  RanIntOther Functions Random Number Ran# FactorialAbsolute Value Calculation Abs  Permutation nPr and Combination nCrRounding Function Rnd  nPr   nCr Transforming Displayed Values Using Engineering Notation ← Using S-D TransformationFormats Supported for S-D Transformation Examples of S-D Transformationπ  Statistical Calculation StatSelecting a Statistical Calculation Type Statistical Calculation TypesRules for Inputting Sample Data on the Stat Editor Screen Inputting Sample Data Displaying the Stat Editor ScreenStat Editor Screen Freq Frequency Column Stat Editor Screen Input PrecautionsPrecautions Concerning Sample Data Storage Editing Sample DataInserting Line Deleting All Stat Editor ContentsUsing the Stat Menu Deleting a LineStat Menu Items Single-variable 1-VAR Statistical Calculation CommandsCommon Items Select this When you want to do this Menu item Select this menu item When you want to obtain this      Var Sub-menu   Stat  VarMinMax Sub-menu STAT MinMax Single-variable Statistical Calculation   Commands When Linear Regression Calculation A+Bx Is Selected Var Sub-menu   Stat  Var Sum Sub-menu  STAT  SumLinear Regression Calculation MinMax Sub-menu   Stat MinMaxReg Sub-menu   Stat  Reg                   ∑x⎞ Quadratic Regression Calculation Reg Sub-menu STAT Reg y Page Ab Exponential Regression A⋅BX Comments for Other Typed of RegressionLogarithm Regression Exponential Regression e X y = AeBx∑x1 Comparison Regression Curves ∑ xOther types of Regression Calculation                                                Command Usage TipsCalculations of Equations EQN Simultaneous Linear Equations Two unknowns Three unknowns    Inputting and editing coefficients      Solution DisplaySpecial Solution Display   Generating a Number Table from a Function TableSupported Function Types Key Table Mode Precautions Using the Verify CommandStart, End, and Step Value Rules Number Table ScreenKey Display Inputting and Editing    Key in Display Proportion Calculations PropInputting and Editing Coefficients = x/d         Prop Solution Display        ÷, ÷R Technical InformationOrder of Operations Stack LimitationsFunctions Input Range Calculation Ranges, Number of Digits, and PrecisionCalculation Range and Precision Function Calculation Input Ranges and PrecisionDEG RAD GCD Cause Error MessagesWhen an Error Message Appears Math ErrorBefore assuming malfunction of the calculator Stack ErrorSyntax Error Insufficient MEM ErrorReference Power Requirements and Battery ReplacementReplacing the Battery Operating Temperature 0C to 40C Bundled Items Hard Case Auto Power OffSpecifications Power RequirementsJapanese Notice Korean Notice Class B Regulatory NoticesEuropean Union Regulatory Notice Perchlorate Material special handling may apply

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300s+ Scientific specifications

The HP 300s+ Scientific Calculator is a versatile and compact tool designed for students, educators, and professionals in various fields that require mathematical computations. This calculator stands out for its feature-rich design that caters to a broad audience, from high school mathematics to advanced college courses.

One of the main features of the HP 300s+ is its extensive range of functions, which includes over 300 built-in mathematical and scientific functions. Users can seamlessly perform calculations in algebra, calculus, statistics, and trigonometry. The device includes a comprehensive set of functions for solving equations, working with fractions, and performing permutations and combinations, making it suitable for a variety of academic disciplines.

The HP 300s+ utilizes a large, easy-to-read LCD display that enhances the user experience by clearly showing calculations and results. This display supports multi-line input and output, allowing users to view and edit complex expressions easily. The calculator also includes a user-friendly interface, with clearly labeled keys that facilitate quick access to frequently used functions.

In addition to standard calculations, the HP 300s+ boasts features such as memory functions, allowing users to store and recall numerical values for use in multiple calculations. This is particularly useful for tasks that involve repetitive computations, as it saves time and reduces the likelihood of errors.

Power efficiency is another hallmark of the HP 300s+. It operates on a combination of solar power and battery, ensuring a long lifespan and reliability. This makes it an eco-friendly option that aligns with the modern need for sustainable technology solutions.

Notably, the HP 300s+ is designed with portability in mind, featuring a lightweight and slim profile that makes it easy to carry in backpacks or briefcases. Its durable construction ensures that it can withstand everyday rough use, making it ideal for classroom environments or fieldwork.

Overall, the HP 300s+ Scientific Calculator is a feature-rich and reliable tool that meets the diverse mathematical needs of its users. With its advanced functionalities, user-friendly design, and robust construction, it continues to be a preferred choice for students and professionals alike seeking an efficient solution for scientific calculations.