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Sharp El-5020 User Manual

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    Page 1 Sharp EL-5020 Introduction This model of calculator can store up to two calculation programs under 1: and 2:. To store a program, press MODE 1 to enter the AER mode and then press 2ndF _ or 2ndF ` to specify where to store the program. Self-designed program Steps for storing the calculation program for each of the following items are illustrated below. All programs are stored under 1: for illustration purpose. 1. Simultaneous Linear Equations ( 2. Slope and Length ( 3. Cosine...
    Page 2 Sharp EL-5020 Useful Program Commands The following are some program commands and their corresponding keystrokes under the AER mode. Program Command Keystrokes under the AER mode x ≠ M 2ndF 4 x < M 2ndF 5 x ≤ M 2ndF 6 x = M 2ndF 7 x > M 2ndF 8 x ≥ M 2ndF 9 ， 2ndF 3 9 2ndF 2 DRG 2ndF y A ALPHA MODE B ALPHA hyp C ALPHA sin D ALPHA cos E ALPHA tan F ALPHA xPOL M ALPHA M+ - 2 -
    Page 3 Sharp EL-5020 Simultaneous Linear Equations This program is used to solve simultaneous linear equations in two unknowns in the form of , where a, b, c, d , e and f are real numbers. ⎩ ⎨⎧ =+ =+ feydx cbyax Storing the program: Step 1 2 3 4 5 6 7 Key MODE 1 2ndF _ 2ndF ON/C = Step 8 9 10 11 12 13 14 Key A 9 B 9 C 9 D Step 15 16 17 18 19 20 21 Key 9 E 9 F B - C Step 22 23 24 25 26 27 28 Key E ) ÷ ( B D - Step 29 30 31 32 33 34 35 Key A E STO tan ， C -...
    Page 4 Sharp EL-5020 Executing the program: Examples: (a) Solve the simultaneous linear equations . ⎩ ⎨⎧ =− =− 954 832 yx yx Procedure Display Remark 1. MODE 0 DEG mode 2. 2ndF _ Execute program 1: 3. 2 = 3 +/- = 8 = 4 = 5 +/- = 9 = -6.5 Value of x 4. = -7 Value of y Note: Pressing = after the last procedure allows the program to be executed again. (b) Solve the simultaneous linear equations . ⎩ ⎨⎧ −=+ −=+ 962 83 yx yx Procedure Display Remark 1....
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