Using the Protective Case 1. Before using the calculator, slide the unit out of the protective case as shown in step 1. 2. After using the calculator, slide the unit out of the cover as shown in step 2. To use the protective case, slide it over the keyboard side of the unit.
Battery • Keep battery out of reach of children. If a battery is swallowed, seek urgent medical advice. • Do not charge, attempt to disable, short circuit, or apply heat to the battery. • When installing a new battery, orient it such that the positive sign is facing upwards.
may cause the casing to fade, distort the casing, or damage the internal circuitry. • Avoid storing or using the calculator in damp conditions or when there is high humidity or excessive dust. Doing so will damage the internal circuitry. •...
If the result has more than three digits, a separator appears before each group of three digits. Preparing to Use the Calculator Modes Choose the appropriate mode before performing a calculation. Type of Calculation Operation Calculation mode Basic Calculation COMP ...
Notes: • To return the calculator to its default settings, as indicated below press (Mode) that order. The default settings are: Calculation mode: COMP Angle unit: Deg Exponent display format: Norm 2 Fraction display: a b/c Decimal point character: Dot •...
Error Correction When Entering • Press to move the cursor to the position needed. • Press to delete the digit or function at the position of the cursor. • Press the keys to activate the insertion cursor .
Error Indicator If an error occurs, press . The calculation reappears and the cursor is located where the error is. Multi-statement A multi-statement is an expression consisting of two or more smaller expressions. The expressions are separated by a colon (:). Exponent Display Format The calculator can display up to 10 digits.
Decimal Point and Separator The display setting (Disp) screen is used to specify the required decimal mark and the character to use before groups of three digits. • To change these settings, press repeatedly until the settings screen appears. Disp •...
• A negative exponent does not need to be in parentheses. sin 4.56 ✕ 10 4.56 • Example 1: 3 ✕ (4 ✕ 10 ) = 1.2 ✕ 10 • Example 2: 2 ✕ (3 ✕ 4) = 14 ...
• Press the number key ( ) corresponding to the setting required: (a b/c) : Mixed fraction (d/c) : Improper fraction • If you choose the d/c display format and enter a mixed fraction, an error will occur. Calculating Percentages About Calculating Percentages •...
Calculations Involving Degrees, Minutes, and Seconds You can convert between sexagesimal and decimal numbers. • Example 1: Convert the decimal number 1.234 to its sexagesimal equivalent and then back to a decimal number again. 1.234 1.234 1º 14º 2.4 ...
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(Note that only the display precision gets fixed to 3 digits. The calculations are still performed with the complete number.) 33.333 500.000 (Note that you can also force the calculator to round a number to the number of decimal places you have specified.) 33.333 ...
Calculations Involving the Memory To perform a calculation involving the memory, press to enter COMP mode. COMP............ Ans Memory • The Ans memory is updated with each new calculation when you press • It is also updated when you press ...
Variable M • You can use the variable M to compute accumulated totals which can be put into the variable M directly, or they can also be added to or subtracted from the number stored in variable M. • To clear all the numerical values in the separate variable M, press ...
Scientific Functions To perform a scientific calculation, press enter COMP mode. COMP............ • Some scientific calculations may take longer than other types of calculations. • You can start the next calculation after the after the calculation result displays on screen. π...
Converting Angular Measurements • Press the keys to display the following screen. • Press , or to change the displayed value to the corresponding angle unit. • Example: Change 2.34 radians to degrees. ⋅⋅⋅ ⋅⋅⋅ ...
• Press to display the value of or press θ to display the value of . Expressing Numbers in Engineering Format • Example 1: Change 54321 meters to kilometers ✕ 10 ---> 54.321 54321 (km) •...
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To display this result Press these keys Σx Σx xσ xσ – Σx xσ Σx Example: Calculate xσ , n, – given the following data: 15, 14, 11, 15, 13, 13, 14, 12 In SD mode: ...
Data Entry Hints • Press to enter the same data twice. • Press to repeat the same data item several times. For example, press 100 enter the data value 100 15 times. • You can perform these operations in any sequence, not necessarily in the same order as in the example above.
• Press to cancel data input. • In SD or REG mode, you cannot display or edit data items once you change 10 another mode or choose a different regression type (Lin, Log, Exp, Pwr, lnv, Quad). Regression-REG Calculations involving regression require REG mode.
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• Before entering data, press the (Scl) keys to clear the statistics memory. • Press the following key to input data. < data> < data> • The regression calculation result is determined by the data input. The result can be displayed using the following syntax and keys.
Σxy n x y • • In regression (REG) mode: – ---------------------------------- - – (mode 3) (Lin) (Scl) (Stat clear) 1003 Each time you press , the data you have just ...
• The corresponding regression formulas are: Logarithmic y = A+B•lnx regression Exponential ·x y = A•e (lny = lnA+Bx) regression Mathematical y = A•e (lny = lnA+B lnx) Power regression Inverse regression y = A+B•1/x Quadratic Regression • The regression formula for quadratic regression is y = A+Bx+Cx •...
Technical Data Troubleshooting If the result of a calculation is not what you expected, or if an error occurs please carry out the following steps. 1. Press the (Mode) keys in that order to reset all modes and settings. 2.
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Stack ERROR Causes • The capacity of the number stack or operator stack has been exceeded. The number stack can have 10 levels while the operator stack can have 24. Correction • Simplify the calculation. • Break up the calculation into two or more parts.
>0 : -1✕ 10 < log <100 =0 : >0 --------------- - n <0 : = , is an integer) However, -1✕ 10 <1/ log <100 >0 : ≠ -1 ✕ 10 <1/ log <100 >0 -- - <0: is an integer) ≠...
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x! °′″ x x x y Converting angular values (DRG) √ 3. Mathematical power and root: ^( 4. a b/c π 5. In , (base of natural logarithm), implied multiplication involving a memory or variable name: π π , 3 , 5A, A, etc.
negative numbers are included in A.type functions, mathematical powers or root operations. Example: (-3) = 81 = -81 Stack This “stack” is an area of memory used to temporarily save values (the number stack) and the order of operations (the operator stack) during the calculation. The number stock has a maximum capacity of 10 while the operator stack has a maximum capacity of 24.
Automatic Power-Saver If you have not used the calculator for 5 minutes, it will automatically turn off. Press to turn it on again. Replacing the Battery This calculator is powered by solar with a LR44 battery backup. Replace the battery as soon as possible when the display becomes dim.
Specifications Power: • Solar Cell: Built into the front of the calculator • Button Cell: One (1) Alkaline button battery (LR44) Battery Life: Standby (ON but no calculation) about 3 years; OFF about 5 years. Dimensions: 147.0 x 77.2 x 15.0 mm (unit) 149.5 X 82.2 X 19.5 mm (with protective case) Weight: 93g (unit)
• Ecodesign Directive 2009/125/EC, where applicable CE compliance of this product is valid if powered with the correct CE-marked AC adapter provided by HP. Compliance with these directives implies conformity to applicable harmonized European standards (European Norms) that are listed in the EU...
Chemical Substances HP is committed to providing our customers with information about the chemical substances in our products as needed to comply with legal requirements such as REACH (Regulation EC No 1907/2006 of the European Parliament and the Council). A chemical information report for this product can be found at: www.hp.com/go/reach.