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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
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Contents Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Type of logical calculations and truth tables . .16 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18 Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 Mode Select Keys . . . . . . . . . . . . . . . . . . .5 Trigonometric Functions .
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Keys FEATURES ON: Turns the power ON and resets the calculator. The power turns off automatically after a few minutes if no key Large 10 + 2 Digit Display is pressed. The memory is not reset when ON is pressed. OFF: Press to turn OFF the calculator. Calculates Mixed and Improper Fractions C/CE: Press to delete a number in the display, Press twice to clear the current calculation. Up to 15 levels of Parenthesis EXP: Exponent key. Press to enter exponents 22 22 Ex. 40X10 Press 4 0 EXP 22 (
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Display Mode Keys Basic Functions FLO – SCI – ENG Press to select the display mode. +, –, x, ÷ keys Press keys as written for basic functions. FLOATING: Floating Point Ex. 123456 SCI: Scientific Exponential Ex. 1.2345606 % key ENG: Engineering Exponential Ex. 123.45604 Press for percentage calculations, Add-on and discounts. Display Range (…) Open/Close parenthesis keys -9 10 Floating Point : 10 –> 10 Press for up to 6 levels of parenthesis when performing -99 100 complex calculations. Scient
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Mixed Fractions Memory Keys Enter: Integer ab/c Numerator ab/c Denominator M+ Press to add the displayed number to the inde- Ex. 4 ab/c 6 ab/c 7 = 4 6/7 pendent memory 4_ 6_| 7 is displayed Min Press to store the displayed number in the inde- Up to 3 digits may be used for the Integer, numerator or pendent memory denominator up to a total of 8 digits. MR Press to recall the number in memory. Press ab/c to change the displayed number from a fraction X–>M Display/Independent Memory Exch
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Function Keys Statistical keys ARCHYP – ArcHyperbolic key Variable Entry (DATA) HYP – Hyperbolic key Variable Correction (DEL) key sin - Sine key Sx key cos - Cosine key n key n tan - Tangent key s key n-1 In - Natural Logarithm key s key x 2 e - Exponential function key Sx key 2 x - Square key x + key –1 sin - Arc Sine key Logical calculation keys –1 cos - Arc Cosine key –1 Used for Logical calculations in Binary, Octal and tan - Arc Tangent key Hexadecimal modes log - Common Logarithm key AND
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Display Mode Mode Hexadecimal Statistical +, -, x, ÷ 6 levels 3 levels SD Statistical mode ( ) y y DEG Degree Mode Constant y y RAD Radian mode Percentage n y GRAD Gradient mode Fractions n n ( ) Calculation in Parenthesis Memory y y Function Calculations modes 1 variable function n y Mode Decimal Binary Octal 2 variable function n y +, -, x, ÷ 6 levels 6 levels 6 levels Raise to Power n n ( ) 15 levels 15 levels 15 levels Statistical n y Constant y y y Logical y n Percentage
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Calculation priority Entering Statistical data Calculation priority is automatically determined by Ex. 1: 2 DATA 3 DATA 4 DATA the calculator. Algebraic expressions are entered as Ex. 2: 125 LOG DATA 100 LOG DATA they would be written. Ex. 3: (123 M+ MR DATA) Single variable functions and calculations in parenthesis have a higher priority than basic func- tions like +, -, x, ÷. Making corrections During calculations lower priority calculations are C/CE clears the last digit pressed. stored i
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Performing Logical Calculations Truth Tables AND INPUT OUTPUT Logical Calculations are performed with Boolean Algebra. Variables in logical calculations have only two values, A B X True and False. Truth is represented by a “1” and False is 1 1 1 represented by a “0”. 1 0 0 For Octal or Hexadecimal calculations, 0 1 0 the values are converted to Octal or Hexadecimal. 0 0 0 Type of logical calculations and truth tables OR INPUT OUTPUT AND: Product of propositions A B X Produces 1 when all input
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Errors Examples The calculator will overflow if:: Constant Calculations • Calculation or contents of the memory are outside the EX. 4 + 5 = 5 + 5 = 6 + 5 = –99 –99 range of 1 x 10 to 9.999999999 x 10 Press 4 + 5 = 5 = 6 = • When dividing by 0. Binary • When data exceeds the range of any function or statis- MODE 2 tical data 10101011 + 1100 + 1110 = 11000101 n-1 • In Statistical calculation mode, if s is calculated with only one data Octal n n-1 • When finding x,s and s when n=0. MODE
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Trigonometric Functions Hyperbolic Calculations Cosh34 = Press Displayed 14 3 4 HYP cos (2.917308713 x 10 ) Sin53º [Mode][DRG] DEG 53 sin (0.79863551) Tan 65grad[Mode][DRG] GRAD 65 tan (1.631851687) Inverse Hyperbolic Calculations Cos22 [Mode][DRG] RAD 22 cos (-0.999960826) 25 Sinh-1 1.5 x 10 = 58.66323961 1 . 5 EXP 2 5 INV HYP sin Inverse Trigonometric Functions (58.66323961) –1 Sin 0.3 [DEG] . 3 INV sin-1 (17.45760312˚) -1 Cos 0.8 [DEG] . 8 INV cos-1 (36.869
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CIVIL ENGINEERING APPLICATIONS AND EXAMPLES In this right triangle,A = 5.7 feet and a = 30 degrees. Determine the value of C. BUSINESS Calculate the future value of a $1000 investment sin a = A / C compounded annually at a rate of 6% for 7 years. sin 30 degrees = 5.7 / C C = 5.7 / sin 30 degrees n FV = p (1+i) C = 5.7 / .5 7 = 1000 (1+0.06) C = 11.4 = 1503.63 Mode Press Display Press Display y DEG 5.7 [÷] 5.7 1 [+] 0.06 [=] [x ] 7[=] 1.503630259 30 [sin] .5 [×] 1000 [=] 1503.630259 [=] 11.4 PHYS
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Mode Press Display REPLACING THE BATTERY DEG 0 [INV][x<–>m] 0 If the calculator slows down when using the battery, the 6 [÷] 6 battery is weak and should be replaced. 15 [=] 0.4 – 1 1. Remove the 6 screws on the bottom panel and [INV] [sin ] 23.57817848 remove the panel. [Min] M 23.57817848 90 [–] [MR] [=] M 66.42182152 2. Remove the old batteries. 0 [INV][x<–>m]23.57817848 3. Insert the new batteries 23.58 [cos] 0.916502421 (Radio Shack type RS-389 Cat. No. 23-101) [×] 15 [=] 13.74753633 fo
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CARE AND MAINTENANCE Datexx Limited Warranty This product is warranted against defects for 1 year from This scientific calculator is a carefully designed date of purchase. Within this period, we will replace or and crafted electronic device. With the proper repair it, at our option, without charge for parts and labor, care, you can enjoy it for years. with the exception of accessories such as batteries, wallets, • Keep the calculator dry and away from liquids. etc. If it gets wet, dry it immedi
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. DS-700-30Xa ©2001 Datexx - A Division of Teledex Inc. www.datexx.com PRINTED IN CHINA 02/01
