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Calculators - 300MS (287.52 kb)

Use d and e to adjust contrast. 4. After the setting is the way you want, press A. Important: If adjusting display contrast does not improve display readability, it probably means that battery power is low. Replace the battery. 9. Reading the Display The display of the calculator shows expressions you input, calculation results, and various indicators. Input expression Calculation result Indicators 10. Specifying the Calculation Mode When you want to perform this type of operation: Perform this key operation: General calculations N1(COMP) Standard deviation N2(SD) Regression calculations (fx-82MS/85MS/ 300MS/350MS only) N3(REG) Note: • The initial default calculation mode is the COMP Mode. • Mode indicators appear in the upper part of the display. Be sure to check the current calculation mode (COMP, SD, REG) and angle unit setting (Deg, Rad, Gra) before beginning a calculation. 11. Configuring the Calculator Setup Pressing the , key more than once displays additional setup screens. Underlined ( ___ ) settings are initial defaults. 1Deg 2Rad 3Gra Specifies degrees, radians or grads as the angle unit for value input and calculation result display. Note: In this manual, the v symbol next to a sample operation indicates degrees. 1Fix 2Sci 3Norm Specifies the number of digits for display of a calculation result. Fix: The value you specify (from 0 to 9) controls the number of decimal places for displayed calculation results. Calculation results are rounded off to the specified digit before being displayed. Example: 100 . 7 = 14.286 (Fix 3) Sci: The value you specify (from 1 to 10) controls the number of significant digits for displayed calculation results. Calculation results are rounded off to the specified digit before being displayed. Example: 1 . 7 = 1.4286 . 10 –1 (Sci 5) Norm: Selecting one of the two available settings ( Norm 1 , Norm 2) determines the range in which results will be displayed in nonexponential format. Outside the specified range, results are displayed using exponential format. Norm 1: 10 –2 | x |, | x | 10 10 Norm 2: 10 –9 | x |, | x | 10 10 Example: 1 . 200 = 5 . 10–3 (Norm 1); 0.005 (Norm 2) b e d 1ab/c 2 d/c Specifies either mixed fraction (ab/c) or improper fraction (d/c) for display of fractions in calculation results. 1Dot 2 Comma Specifies whether to display a dot or a comma for the calculation result decimal point. A dot is always displayed during input. Initializing Calculator Settings Perform the following procedure to initialize the calculator, which returns the calculation mode to COMP and returns all other settings, including setup menu settings, to their initial defaults. fx-82MS/85MS/300MS/350MS: p1,(CLR)c(Mode)= fx-82SX PLUS/220 PLUS: prc(Mode)= 12. Inputting Expressions and Values 4 . sin30 . (30 + 10 . 3) = 120 v 4 *s 30 *( 30 + 10 * 3 )= Note: • The memory area used for calculation input can hold 79 “steps”. One step is taken up each time you press a number key or arithmetic operator key ( +, -, *, /). A ! or a (fx- 82MS/85MS/300MS/350MS only) key operation does not take up a step, so inputting !W( 3 '), for example, takes up only one step. • Whenever you input the 73rd step of any calculation, the cursor changes from “_” to “ k” to let you know memory is running low. Calculation Priority Sequence When the priority of two expressions is the same, the calculation is performed from left to right. 1st Function with parentheses: Pol( x , y ), Rec( r , ), RanInt#( a , b )* (*fx-82SX PLUS/220 PLUS only) 2nd Type A functions: With these functions, the value is entered and then the function key is pressed. ( x 3 , x 2 , x .1 , x !, ° ’ ”, m, m1 , m2 , n, °, r , g ) 3rd Powers and roots: ^( x y ), x ' 4th Fractions 5th Implied multiplication of . , e (natural logarithm base), memory name, or variable name: 2 . , 3 e , 5A, . A, etc. 6th Type B functions: With these functions, the function key is pressed and then the value is entered. ( ', 3 ', log, ln, e x , 10 x , sin, cos, tan, sin .1 , cos .1 , tan .1 , sinh, cosh, tanh, sinh .1 , cosh .1 , tanh .1 , (.)) 7th Implied multiplication of Type B functions: 2 '3, Alog2, etc. 8th Permutation ( n P r ), combination ( n C r ) 9th Multiplication, division ( . , .) 10th Addition, subtraction (+, –) Correcting and Clearing an Expression To delete a single character or function: 1 234_ > ddD > 12 4 To insert a character or function into a calculation: 123_ > d!D(INS) e > 1243 • The cursor changes from “_” to “ t”. To clear all of the calculation you are inputting: Press A. 13. Basic Calculations Fraction Calculations 2 + 1 = 1 3 2 6 1 2 $ 3 + 1 $ 2 = 1 {1 {6. 1 = 1 2 2 4 . 3 4 - 3 $ 1 $ 2 = 1 {2. Note: • Mixing fractions and decimal values in a calculation will cause the result to be displayed as a decimal value. • Fractions in calculation r esults are displayed after being reduced to their lowest terms. To switch a calculation result between impr...

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