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Deg Rad Gra 1 23 •Press the number key ( 1, 2, or 3) that corresponds to the angle unit you want to use. . (90° = radians = 100 grads) 2 • Example 1: sin 63 °5241 0.897859012 q ..... 1 (Deg) S 63 I 52 I 41 I = . • Example 2: cos ( rad) 0.5 3 q ..... 2 (Rad) W R A x \ 3 T = 2 . • Example 3 : cos1 0.25. (rad)( (rad)) 2 4 q ..... 2 (Rad) A V R L 2 \ 2 T = g \ A x = • Example 4: tan1 0.741 36.53844577° q ..... 1 (Deg) A g 0.741 = k Hyperbolic/Inverse Hyperbolic Functions • Example 1: sinh 3.6 18.28545536 M S 3.6 = • Example 2: sinh1 30 4.094622224 M A j 30 = E-18 k Common and Natural Logarithms/ Antilogarithms • Example 1: log 1.23 0.089905111 R 1.23 = • Example 2: In 90 (= loge 90) = 4.49980967 T 90 = ln e 1 T p P = • Example 3: e10 22026.46579 A U 10 = • Example 4: 101.5 31.6227766 A Q 1.5 = • Example 5: 23 0.125 2 W D 3 = • Example 6: (2)4 16 R D 2 T W 4 = • Negative values inside of calculations must be enclosed within parentheses. For details, see “Order of Operations.” k Square Roots, Cube Roots, Roots, Squares, Cubes, Reciprocals, Factorials, Random Numbers, ., and Permutation/Combination • Example 1: 2 3 5 5.287196909 L 2 + L 3 -L 5 = • Example 2: 3 5 3 27 –1.290024053 A D 5 + A D R D 27 T = 1 • Example 3: 7 123 ( = 1237 ) 1.988647795 7 A H 123 = • Example 4: 123 302 1023 123 + 30 K = • Example 5: 123 1728 12 N = 1 • Example 6: 12 1 1 3 4 R 3 a , 4 a T a = • Example 7: 8! 40320 8 A f = E-19 • Example 8: To generate a random number between 0.000 and 0.999 A M = 0.66400 (The above value is a sample only. Results differ each time.) • Example 9: 3. 9.424777961 3 A x = • Example 10: To determine how many different 4-digit values can be produced using the numbers 1 through 7 • Numbers cannot be duplicated within the same 4-digit value (1234 is allowed, but 1123 is not). (840) 7 A m 4 = • Example 11: To determine how many different 4-member groups can be organized in a group of 10 individuals (210) 10 n 4 = k Angle Unit Conversion •Press A v to display the following menu. D R G 1 2 3 •Pressing 1, 2, or 3 converts the displayed value to the corresponding angle unit. • Example: To convert 4.25 radians to degrees q ..... 1(Deg) 4 . 25 r 4.25 A v 2(R) = 243.5070629 k Coordinate Conversion (Pol (x, y), Rec (r, .)) • Calculation results are automatically assigned to variables E and F. • Example 1: To convert polar coordinates (r2, 60°) to rectangular coordinates (x, y) (Deg) x 1 A F 2 P 60 T = y 1.732050808 0 o •Press 0 n to display the value of x, or 0 o to display the value of y. E-20 • Example 2: To convert rectangular coordinates (1, 3) to polar coordinates (r,) (Rad) r 2 f 1 P L 3 T = . 1.047197551 0 o •Press 0 n to display the value of r, or 0 o to display the value of . k Engineering Notation Calculations • Example 1: To convert 56,088 meters to kilometers > 56.088103 56088 = J (km) • Example 2: To convert 0.08125 grams to milligrams > 81.2510 –3 0.08125 = J (mg) SD REG Statistical Calculations Standard Deviation SD Use the Fkey to enter the SD Mode when you want to perform statistical calculations using standard de- viation. SD ................................................................... F2 •In the SD Mode and REG Mode, the | key operates as the S key. •Always start data input with A B 1(Scl) = to clear statistical memory. •Input data using the key sequence shown below. S •Input data is used to calculate values for n, .x, .x2 , o, .n and .n-1, which you can recall using the key operations noted nearby. E-21 To recall this type of value: Perform this key operation: .x2 .x n o .n .n-1 A U 1 A U 2 A U 3 A X 1 A X 2 A X 3 • Example: To calculate .n1, .n, o, n, .x, and .x2 for the following data : 55, 54, 51, 55, 53, 53, 54, 52 In the SD Mode: A B 1(Scl) = (Stat clear) SD 55 S n= 1. Each time you press S to register your input, the number of data input up to that point is indicated on the display (n value). 54 S 51 S 55 S 53 S S 54 S 52 S Sample Standard Deviation (.n1) = 1.407885953 A X 3 = Population Standard Deviation (.n) = 1.316956719 A X 2 = Arithmetic Mean (o) = 53.375 A X 1 = Number of Data (n) = 8 A U 3 = Sum of Values (.x) = 427 A U 2 = Sum of Squares of Values (.x2 ) = 22805 A U 1 = Data Input Precautions • S S inputs the same data twice. •You can also input multiple entries of the same data using A G. To input the data 110 ten times, for example, press 110 A G 10 S. •You can perform the above key operations in any order, and not necessarily that shown above. •While inputting data or after inputting data is complete, you can use the [ and ] keys to scroll through data you have input. If you input multiple entries of the same data using A G to specify the data frequency (number of data items) as described above, scrolling through data shows both the data item and a separate screen for the data frequency (Freq). E-22 •You can then edit the displayed data, if you want. Input the new value and then press the = key to replace the old value with the new one. This also...

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