Datexx DS-736II, Owner'S Manual

Page 1: ...OWNER S MANUAL Please read before using BIG Display 12 Digit Scientific Calculator with Fractional and Statistical Functions DS 736II ...

Page 2: ...on Misuse of batteries can cause them to leak acid that can cause damage to nearby items and creates the possibility of fire and personal injury Always make sure that a battery s positive and negative sides are facing correctly when you load it into the calculator Remove the batteries if you do not plan to use the calculator for a long time Use only the type of batteries specified for this cal cul...

Page 3: ... battery ca leak causing damage to and malfunc tion of the calcuator Never leave the dead battery in the calculator Very low temperatures can cause slow display response total failure of the display and shortening of battery life Also avoid leaving the calculator in direct sunlight near a window near a heater or anywhere else it might be come exposed to very high temperatures Heat can cause discol...

Page 4: ... cloth moistened in a weak solution of water and a mild neutral household detergent Wring out all excess mois ture before wiping the calculator Never use thinner benzine or other volatile agents to clean the calculator Doing so can remove printed markings and damage the case 3 Never press the keys of the calculator with a ball point ...

Page 5: ...or Exponential Display Formats Answer Memory Basic Calculations Memory Calculations Independent Memory Variables Fraction Calculations Fraction Calculations Decimal to Fraction Conversions Fraction to Decimal Calculations Percentage Calculations Scientific Function Calculations Trigonometric Inverse Trigonometric Funtions 6 7 7 7 8 8 8 8 8 9 9 9 9 10 10 10 10 11 Contents 4 ...

Page 6: ...r Before Starting Calculations Modes Application Calculation modes Normal calculations Standard deviation Calculations Regression calculations Angle unit modes Degrees Radians Grads Display modes Exponential notation Canceling FIX and SCL Specification Number of dicimal Place specification Mode Name Mode Indicator COMP SD SD REG REG REG RAD GRA NORM FIX FIX D R G 6 ...

Page 7: ...hould divide your calculations into two or more parts Making Corrections During Input Use and to move the cursor to the location you want Press to delete the number of function at the current cursor position Press to change to an insert cursor Inputting something while the insert cursor is on the display inserts the input at the insert cursor position Press or returns to the normal cursor from the...

Page 8: ...using exponential notation Answer Memory Whenever you press after inputting values or an ex Pression the calculated result is automatically stored in AnswerMemory YoucanrecallAnswer Memorycontents bypressing Answer Memory can store up to 12 digits for the mantissa and two digits for the exponent Answer Memory contents are not changed if the opera tion performed by any of the above key operations r...

Page 9: ...ting cumulative totals lndependent memory uses the same memory area as variable M To clear independent memory M input 2 3 9 3 2 2 3 There are nine variables A through F M X and Y which can be used to store data constants results and othes values Use the following operation to delete data assigned to all nine variables Use the following operation to delete data assigned to a particularvariable This...

Page 10: ... 4 5 1 15 2 7 ab c ab c ab c ab c SHIFT d c 2 75 4 2 3 4 11 3 4 2 2 75 ab c Example 1 1 2 2 2 1 0 5 Fraction Decimal Use the COMP mode for percentage calculations 1 To calculate 12 of 1500 2 To calculate what percentage of 880 is 660 3 14159265359 Example Example Use the COMP mode for scientific function calculations p Scientific Function Calculations 0 5 2 1 Percentage Calculations ab c ab c ab c...

Page 11: ...le 3 Example 4 Example 1 Example 2 Example 2 Press to display the following menu Hyperbolic Inverse Hyperbolic Functions Angle Unit Conversion Trigonometric Inverse Trigonometric Functions Example 1 sin63 52 41 ...

Page 12: ... To convert 4 25 radians to degrees 1 2 3 Example Example 1 Example 1 Example 2 Example 2 Example 3 Example 3 Example 4 Example 4 Example 5 Square Roots Cube Roots Roots Squares Cubes Reciprocals Factorials Random Numbers and Common and Natural Logarithms Antilogarithms 12 ...

Page 13: ...same calculation using the specified number of decimal places To generate a random number between 0 000 and 0 999 Example resurlts differ each time Specifies three decimal places Calculation continues using 10 display digits Internal rounding FIX SCI RND Example 5 13 ...

Page 14: ...he number being displayed to change in multiples of 3 Coordinate Conversion Poll x y Rec r Calculation results are automatically assigned to variables E and F Example1 To convert polar coordinates to rectangular coordinates x y DEG Mode swaps displayed value with value in memory Example2 To convert rectangular coordinates 1 3 to polar coordinates r RAD Mode swaps displayed value with value in memo...

Page 15: ...rent 4 member groups can be organized in a group of 10 individuals Statistical Calculations Standard Deviation SD Mode Press to enter the SD Mode for statistical calculations using standard deviation Data input always starts with to clear statistical memory Input data is used to calculate values for and which you can recall using the key operations noted nearby Example To calculate and for the fol...

Page 16: ... not neccessarly that shown above To delete data you have just input press Regression Calculations REG Mode Press to enter the REG Mode and then select one of the following types Linear regression Logarithmic regression Exponential regression Power regression Inverse regression Data input always starts with to clear statistical memory The values produced by a regression calculation depend on the v...

Page 17: ...ine the regression formula terms and correlation coefficient for the data nearby Next use the regres sion formula to estimate atmos pheric pressure at 18 C and tem y Example perature at 1000 hPa Memory Clear Regression Coefficient A Regression Coefficient B Correlation Coefficient r Atmospheric Pressure at 18 C Temperature at 1000 hPa Atmospheric Pressure vs Temperature Enter REG Mode Linear Regre...

Page 18: ...ing steps 4 Check the formula you are working with to confirm it is correct 5 Enter the correct modes to perform the calculation and try again If the above steps do not correct your problem press the RESET button on the back of the calculator to reset it Pressing the RESET button deletes all data stored in calculator memory Make sure you always keep written copies of all important data Example 2 E...

Page 19: ...y are all within the allowable ranges Pay special attention to values in any memory areas you are using Capacity of the numeric stack or operator stack is ex ceeded Simplify the calculation The numeric stack has 10 levels and the operator stack has 24 levels Divide your calculation into two or more separate parts Attempt to perform an illegal mathematical operation Press or to display the calculat...

Page 20: ...umeric stack and commands com mand stack according to their precedence during calcu lations The numeric stack has 10 levels and the command stack has 24 levels A stack error Stk ERROR occurs whenever you try to perform a calculation that is so com plex that the capacity of a stack is exceeded This calculator is powered by single CR2025 button sell Operations of the same precedence are performed fr...

Page 21: ...and then remove the battery cover Remove the old battery Wipe off the side of new battery with a dry Soft cloth Load it into the unit with the positive side facing up so you can see it Replace the battery cover and secure it in place with the two screws Use a thin pointed object to press the RESET button Be sure not to skip this step Press to turn power on Calculator power automatically turns off ...

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Page 24: ...e CR2025 button sell Battery Life Approximately 17 000 hours continuous dis play of flashing cursor Approximately 2 years when left with power turned off Power Supply Specifications Dimensions Weight Power Consumption Operating Temperature 11 H x80 W x160 D mm 123g including battery 0 0001W 0 C 40 C 32 F 104 F 24 ...

Page 25: ... 2001 Datexx A Division of Teledex Inc www datexx com PRINTED IN CHINA 02 01 DS 736 II ...