# User manual HP 300S+

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[. . . ] HP 300s+ Scientific Calculator User Guide © Copyright 2012 Hewlett-Packard Development Company, L. P. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. [. . . ] Before performing a calculation, be sure to specify the default angle unit you want to use. See “Specifying the Default Angle Unit” for more information. Example: sin 30 = 0. 5, sin-1 0. 5 = 30     (sin-1)      Hyperbolic and Inverse Hyperbolic Functions Pressing the  key displays a menu of functions. Press the number key that corresponds to the function you want to input. Example: sinh 1 = 1. 175201194, cosh-1 1 = 0    (sinh)      (cosh-1)    Converting an Input Value to the Calculator’s Default Angle Unit After inputting a value, press   (DRG ►) to display the angle unit specification menu shown below. Press the number key that corresponds to the angle unit of the input value. The calculator will automatically convert it to the calculator’s default angle unit. 30 Example 1: To convert the following values into degrees: π -- radians=90°, 50 grads = 45° 2 The following procedure assumes that the calculator’s default angle unit is degrees.     (π )      DRG ►  (r)      (DRG ►)  (g)  Example 2: cos(π radians) = -1, cos (100 grads) = 0     (π)   (DRG ►)  (r)        (DRG ►)  (g)   Example 3: cos-1 (-1) = 180 cos-1 (-1) = π     (cos-1)        (cos-1)     Exponential Functions and Logarithmic Functions • For the logarithm function ”log(“, you can specify base m using the syntax “log (m, n)”. If you input only a single value, a base of 10 is used for the calculation. 31 • • “In(“ is a natural logarithm function with base e . You can also use the  key when inputting an expression with the form of “logmn” while using Math format. Example: log2 16 = 4        (, )  Note that when you must input the base (base m) when using the  key for input.  log16=1. 204119983  Note: A base of 10 (common logarithm) is used if no base is specified.  ln90(=loge90) = 4. 49980967  Ine= 1    (e)   e10=22026. 4659   ()    32 Power Functions and Power Root Functions x2, x3, x-1, x▀, (, (, ▀( Example 1: 1. 2 ✕ 103 = 1200  (1+1)2+2 =16    ()     Example 2: 23 = 8   ( 2 + 1)( 2 – 1) = 1    5 32 = 2    ( )     Example 3: (-2)2/3 = 1. 587401052    3 5 +3 – 27 = -1. 290024053    ()     ( )     1 ------------ = 12 Example 4: 1 – 1 -- -- 3 4 33   Rectangular-Polar Coordinate Conversion Rectangular Polar Coordinates Coordinates (Rec) (Pol) Coordinate conversion can be performed in the COMP and STAT calculation modes. Converting to Polar Coordinates (Pol) Pol(X, Y) • • • X: Specifies the rectangular coordinate X value Y: Specifies the rectangular coordinate Y value Calculation result θ is displayed using the range of -180° < θ ≤ 180° Calculation result θ is displayed using the calculator’s default angle unit. Calculation result r is assigned to variable X, while y is assigned to Y. Converting to Rectangular Coordinates (Rec) Rec(r, θ ) • • • r : Specifies r value of polar coordinate θ : Specifies θ value of polar coordinate Input value θ is treated as an angle value, in accordance with the calculator’s default angle unit setting. Calculation result x is assigned to variable X, while θ is assigned to Y. If you perform coordinate conversion inside of an expression instead of a stand-alone operation, the calculation is performed using the only first value (either the r-value or the X-value) produced by the conversion. Example: Pol ( 2, 2 ) + 5 = 2 + 5 = 7  (X, Y) = ( 2 + 2 ) → r, θ 34    (Pol)      (, )         (Pol)      (, )        (r, θ ) = (2, 30) → (X, Y)   (Rec)    (, )  Greatest Common Divisor and Least Common Multiple • • • • • These functions exist in all modes. Greatest Common Divisor (GCD): To calculate the greatest common divisor of two positive integers. Least Common Multiple (LCM): To calculate the least common multiple among two positive integers. Input range: LCM: 0 ≦ a , b < 1 ✕ 1010 • GCD: -1 ✕ 1010 < a; b < 1 ✕ 1010 Error message: Math ERROR: When users input decimal or negative integers, an error message will be displayed. Example: Find the Least Common Multiple of 5 and 10.    (LCM)    (, )    Example: Find the Greatest Common Divisor of 35 and 60.    (GCD)     (, )    Example: When an argument includes zero. 35    (LCM)    (, )   Example: When an argument includes expression.    (LCM)         (, )    (GCD)        (, )    The Integer Function and the Greatest Integer Function • • Int: The integer function extracts the integer part of the value by removing the digits to the right of the decimal point. IntG: The greatest integer function rounds down the value to the nearest integer.   (Int)        (Int)         (IntG)        (IntG)       Division with Quotient and Remainder • • • You can use the function  to get the quotient and the remainder in a division calculation. The completion of operation 5 [÷R] 3 [STO] [X] assigns the quotient value of 1 to X. [. . . ] Your input exceeds the allowable input range (particularly when using functions). The calculation you are performing contains an illegal mathematical operation (such as division by zero). 84 Action • • Check the input values, reduce the number of digits, and try again. When using independent memory or a variable as the argument of a function, make sure that the memory or variable value is within the allowable range for the function. Stack ERROR Cause • The calculation you are performing has caused the capacity of the numeric stack or the command stack to be exceeded. Action • • Simplify the calculation expression so it does not exceed the capacity of the stack. Try splitting the calculation into two or more parts. Syntax ERROR Cause • There is a problem with the format of the calculation you are performing. Action • Make necessary corrections. Insufficient MEM Error Cause • There is not enough memory to perform your calculation. Action • Narrow the table calculation range by changing the Start, End, and Step values, and try again. Before assuming malfunction of the calculator Perform the following steps whenever an error occurs during a calculation or when calculation are not what you expected. [. . . ]

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