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Contents BASIC DEFINITIONS.......................................................... 2 The Keys .......................................................................................2 GENERAL KEYS ..............................................................................2 MEMORY KEYS ...............................................................................2 SPECIAL KEYS ................................................................................3 FUNCTION KEYS...........
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BASIC DEFINITIONS The Keys To keep your calculators as compact as possible, some keys have more than one function. You can change the function of a key by pressing another key first, or by setting the calculator in a certain mode. The following pages give you more detailed explanation of each key’s use and function. [ 2ndF ] Second Function Select Key Some keys have a second function inscribed above them. To perform this second function, press [ 2ndF ]. “ 2F ” appears in the display
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[ M+ ] Memory Plus Key Press [ M+ ] to total the current calculation and add the result to the value already in memory. x k x k [ 2ndF ] [ Ka ], [ 2ndF ] [ Kb ] Constant (Ka, Kb) Memory Store Key Press to enter the displayed value into constant memory Ka or Kb. x k x k [ Ka ], [ Kb ] Memory Recall Key Press to display the contents of a constant memory. Note : • Constant memories Ka and Kb can have a value of 0 x k x k • If you press [ Ka ] or [ Kb ] after entering a numbe
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[ 2ndF ] [ FIX ] [ ‧ ] 0. 555555556 Note : [ 2ndF ] [ FIX ] is inactive immediately after and during numerical input. [ SCI ] Scientific Key Converts the displayed number into a power of ten and back. (Ex.) : 12.3456 [ x ] 10 [ = ] 123.456 [ SCI ] 1.23456 02 [ SCI ] 123.456 [ SCI ] 1.23456 02 [ DRG ] Angle unit conversion key Press to change the angle unit as DEG (Degrees), RAD (Radian), or GRAD (Gradient). FUNCTION KEYS [ 2ndF ] [ ], [ 2ndF ] [ ] Sexagesimal Notation / D
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2 [ √ ], [ x ] Square Root And Square Keys Press [ √ ] to find the square root of the displayed value. To square 2 the displayed value, press [ x ]. 3 [ 2ndF ] [ √ ] Cubic Root Key 3 Press [ 2ndF ] [ √ ] to find the cubic root of the displayed value. [ 2ndF ] [ 1/x ] Reciprocal Key Press [ 2ndF ] [ 1/x ] to calculate the reciprocal of the displayed value. [ 2ndF ] [ x! ] Factorial Key To find the factorial of the displayed value, press [ 2ndF ] [ x! ] y [ x ] Power Key y Press an
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display. [ 2ndF ] [ CAD ] Statistical Register Clear Key Clears the statistical calculation registers. [ DATA ], [ DEL ] Data Entry and Delete Key In the STAT mode, enter data by pressing the desired numbers, then [ DATA ]. If you enter incorrect data and do not notice your mistake until you press [ DATA ], enter the same incorrect data and then press [ DEL ] to delete that incorrect data. [ x ] Arithmetic Mean Key Calculates the arithmetic mean ( x ) of the data. [ 2ndF ] [ σn] Pop
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( : Appears when you press [ ( ]. It shows the present level of nesting. ( n ) : Appears when you press [SHIFT] [[X]] in the program learn mode and when program execution halts to let you enter a variable. The number in brackets shows the number of the place of the variable, and goes from 1 - 40. ORDER OF OPERATIONS Each calculation is performed in the following order of precedence: 1) Functions required inputting values before pressing the function –1 –1 –1 2 key, for example, cos
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–99 100 log x, ln x 1 x 10 ≤ x < 1 x 10 x 10 x < 100 x e x ≤ 230.2585092 100 0 ≤ x < 1 x 10 x 2 50 x x < 1 x 10 –99 100 1/x 1 x 10 ≤ x < 1 x 10 , x ≠ 0 100 3 x < 1 x 10 x x ! 0 ≤ x ≤ 69, x is an integer. 100 , < 1 x 10 x y 100 x x > 0 : –1 x 10 < y log x < 100 x = 0 : y > 0 x < 0 : y=n, 1/(2n+1), n is an integer. 100 but –1 x 10 < y log x < 100 y 1 100 x x > 0 : y ≠ 0, –1 x 10 < log x < 100 y x = 0 : y > 0 x <0 : y=2n+1, l/n, n is
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x k x k • You try to use [ 2ndF ] [ Ka ] or [ 2ndF ] [ Kb ] while memories Ka and Kb are being used for low–priority calculation storage. • You make a calculation that is out of the range for functional and statistical calculations. • You try to store over 40 steps in a program. To clear calculation after an overflow condition, press [ ON/C ]. POWER SUPPLY To turn the calculator on, press [ ON/C ] ; To turn the calculator off, press [ OFF ]. This calculator automatically turns it of
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(Ex.) : 7 – 5.6 = 1.4 –4.5 – 5.6 = –10.1 DEG 1.4 7 [ – ] 5.6 [ = ] DEG –10.1 4.5 [+/–] [ = ] (Ex.) : 12 x 2.3 = 27.6 12 x (–9) = –108 DEG 27.6 12 [ x ] 2.3 [ = ] DEG –108. 9 [+/–] [ = ] (Ex.) : 74 ÷ 2.5 = 29.6 85.2 ÷ 2.5 = 34.08 DEG 29.6 74 [ ÷ ] 2.5 [ = ] DEG 34.08 85.2 [ = ] Memory Calculations • Do not set the function mode to “ SD ” when performing memory calculation. • A new number entered into memory by pressing [ X M ] repalces any nu
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Before performing the following calculation, check to see that your calculator is fixed at 2 decimal disaply format. Fraction Calculation d • By pressing [ 2ndF ] [ ], the displayed value will be converted to → e the improper fraction. 2 3 124 (Ex.) : + 7 = 3 5 15 DEG b b b 2 [ ] 3 [ + ] 7 [ ] 3 [ ] 5 [ = ] a a a c c c ∪ ┘ 8 4 15 DEG d [ 2ndF ] [ ] → e ┘ 124 15 • When a press of [ b ] key after the [ = ] key or a fraction a c performed with a decimal, the answer
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Common And Natural Logarithms / Exponentiations (Ex.) : ln7 + log100 = 3.95 DEG 7 [ ln ] [ + ] 100 [ log ] [ = ] 3.95 2 (Ex.) : 10 = 100.00 DEG x 2 [ 2ndF ] [ 10 ] [ = ] 100.00 5 –2 (Ex.) : e – e = ? DEG x 5 [ 2ndF ] [ e ] [ – ] 2 [ +/– ] [ 2ndF ] x 148.28 [ e ] [ = ] Power, Root, Reciprocals, Factorials (Ex.) : 2 + 3 × 5 = 5.29 DEG 2 [ √ ] [ + ] 3 [ √ ] [ x ] 5 [ √ ] [ = ] 5.29 3 3 (Ex.) : 5 + – 27 = –1.29 DEG 3 5 [ 2ndF ] [ √ ] [ + ] 27
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• Instead of entering directly each data, when often several item of data have the same value, you can enter the value and the number of occurrences. 2 (Ex.) : Enter the following data to calculate n, Σx, Σx , x , σn–1, σn, where data 1 = 2, data 2~4 = 5, data 5~6 = 9 SD DEG [ 2ndF ] [ SD ] 0. SD DEG [ 2ndF ] [ CAD ] 0. SD DEG 2 [ DATA ] 5 [ DATA ] 5 [ DATA ] 5 [ DATA ] 6. 9 [ DATA ] 9 [ DATA ] – or – 2 [ DATA ] 5 [ x ] 3 [ DATA ] 9 [ x ] 2 [ DATA ] SD DEG [
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procedure even after you turn off the calculator. You can have more than one variable in your calculation. Your calculator learns mathermatical procedures or programs in the program (PGM) mode. To set the calculator to the program mode, press [ 2ndF ] [ PGM ]. PGM appears on the display. Now enter your procedure as if you were just going to calcualte it once ─except─press [ 2ndF ] [ [X] ] before entering variable data. You get your first answer while you are still in the PGM mode. Note
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PGM DEG 5000 5000. PGM DEG [ x ] [ ( ] 1 [ + ] [ 2ndF ] [ [X] ] [ 2 ] PGM DEG 6 6. PGM DEG y [ ÷ ] 100 [ ) ] [ x ] [ 2ndF ] [ [X] ] [ 3 ] PGM DEG 7 7. PGM DEG [ = ] 7518.151295 DEG [ 2ndF ] [ PGM ] 0. DEG [ RUN ] [ 1 ] DEG 1000 1000. DEG [ RUN ] [ 2 ] DEG 10 10. DEG [ RUN ] [ 3 ] DEG 5 5. DEG [ RUN ] 1610.51 Description : △ → Y a b R •R a R R b 1 2 2 5 R 4 R = 4 R + R + R 1 2 3
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DEG M 82 [ X M ] 82. PGM DEG M [ 2ndF ] [ PGM ] 0. PGM DEG x k x k M [ Ka ] [ Kb ] R x R 1 2 564. x k PGM DEG [ ÷ ] [ ( ] [ Ka ] [ + ] M R x k 4 [ Kb ] [ + ] [ MR ] [ ) ] [ = ] 4. PGM DEG M [ 2ndF ] [ HALT ] 4. PGM DEG x k M [ MR ] [ Kb ] R x R 2 3 3854. PGM DEG M [ = ] R 5 27.33333333 PGM DEG M [ 2ndF ] [ HALT ] 27.33333333 PGM DEG x k M [ MR ] [ Ka ] R x R 3 1 984. PGM DEG M [ = ] R 6
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CONTENIDOS DEFINICIONES BÁSICAS .................................................2 El teclado .......................................................................................2 TECLAS GENERALES ......................................................................2 TECLAS DE MEMORIA ...............................................................2 TECLAS ESPECIALES ................................................................3 TECLAS CON FUNCIONES ESPECIFICAS .................
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DEFINICIONES BÁSICAS El teclado Para crear una calculadora lo más compacta posible hemos asignado a cada tecla más de una función. El cambio de funciones se realiza apretando primero otra tecla, o seleccionando un modo especifico de trabajo en la calculadora. Las siguientes paginas ofrecen una explicación detallada del uso y funciones de cada tecla. [ 2ndF ] Tecla de selección de segunda función Ciertas teclas tienen una segunda función inscrita sobre la primera función. Para usar e
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Presione [ X→M ] Copia el número mostrado en la pantalla a la ú memoria, borrando cualquier n mero anterior almacenado en la memoria. [ M+ ] Tecla de suma Presione [M+] para sumar el número mostrado en la pantalla al valor ya en la memoria. x→k x→k [ 2ndF ] [ Ka ], [ 2ndF ] [ Kb ] Constante (Ka, Kb) Tecla de almacenado de memoria Presione para entrar el valor mostrado en la pantalla en la memoria constante Ka ó Kb. x→k x→k [ Ka ], [ Kb ] Tecla de almacenado de memoria Presione p
