Page 1
OWNER’S MANUAL D S - 7 0 0 - 3 0 X a Please read before using BIG Display 12 - Digit Scientific Calculator with Fractional and Statistical Functions...
Folding stand for best viewing angle Keys : Turns the power ON and resets the calculator. The power turns off automatically after a few minutes if no key is pressed. The memory is not reset when ON is pressed. : Press to turn OFF the calculator.
Display Mode Keys FLO – SCI – ENG Press to select the display mode. FLOATING: Floating Point SCI: Scientific Exponential ENG: Engineering Exponential Display Range Floating Point : –> 10 Scientific: –> 10 Engineering Exponential 10 Mantissa: Less than 100 Decimal Point Press MODE, then press DRG to set in DEG mode.
Mixed Fractions Enter: Integer Numerator ab/c Ex. 4 7 = 4 6/7 ab/c ab/c 4_ 6_| 7 is displayed Up to 3 digits may be used for the Integer, numerator or denominator up to a total of 8 digits. Press ab/c to change the displayed number from a fraction to a decimal number.
The results of statistical calculations are stopped in the statistical calculation memory. As a result, you can perform statistical calculations again by exiting to another mode and then resetting the calculator for statistical calculation mode. Entering Statistical data Ex. 1: 2 DATA 3 DATA Ex.
Performing Logical Calculations Logical Calculations are performed with Boolean Algebra. Variables in logical calculations have only two values, True and False. Truth is represented by a “1” and False is represented by a “0”. For Octal or Hexadecimal calculations, the values are converted to Octal or Hexadecimal. Type of logical calculations and truth tables Product of propositions Produces 1 when all input values are 1.
• When the number of calculation nesting levels exceeds 3 in statistical mode • When more than 15 open parenthesis are used at one time. In these cases the calculator stops and displays E. Press C/CE to resume. –99 is calculated...
APPLICATIONS AND EXAMPLES BUSINESS Calculate the future value of a $1000 investment compounded annually at a rate of 6% for 7 years. p (1+i) n 1000 (1+0.06) 7 1503.63 Press Display 1 [+] 0.06 [=] [x y ] 7[=] 1.503630259 [ ] 1000 [=] 1503.630259 PHYSICS...
3.477121255 20 [=] 69.54242509 REPLACING THE BATTERY If the calculator slows down when using the battery, the battery is weak and should be replaced. Remove the 6 screws on the bottom panel and remove the panel. Remove the old batteries.
Attempting to modify or tamper with the calcula- tor’s internal components can cause a malfunc- tion and invalidate the warranty. If the calculator is not functioning properly, return it to Datexx for assistance. Datexx Limited Warranty This product is warranted against defects for 1 year from date of purchase.