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Delta FX 65 manual

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Table of contents for the manual

  • Page 1

    FX 65 Training guide Tools FX 65 Fraction Calculator Overhead OH 65 Handouts Applicable activities Activities for the Classroom FX-65 Fraction Calcu lator Other materials Quick Reference Guide (inside the calculator cover) Key Points/ Overv iew  True fraction display  Fraction and decimal conv ersions  Integer division (quotient and remain[...]

  • Page 2

    FX 65 Training guide Display Indicators The display window has many indicators that will be displayed w hen a certain function is per f or m e d. Al t er nat ivel y, it m a y als o s h ow t h e st atu s of a set ti ng . T he f ollo w ing is a lis t of the display indicators along with a description: Indicator Meaning FIX Number of decimal places is[...]

  • Page 3

    FX 65 Training guide Display Set Up The FX-65 allows you to change the display format for the following: Fixed number decimal places Number of significant digits in scientific notation Engineering notation mode Key Function [FIX ] n Sets the number of decimal places accordin g to the value you input for n (0 – 9) . [FIX] [.] Clears the decimal pl[...]

  • Page 4

    FX 65 Training guide Basic A rithmetic Calculations Basic Functions and Operations The following are the basic functions and operations of the calculator. Back spaces and deletes the right digit of a displayed input value. [AC] Turns power on. [C] Clears the displayed input value. [SHIFT] Shifts the keyboard and accesses functions marked above t he[...]

  • Page 5

    FX 65 Training guide Fraction calculations and simplification • You can perform addition, subtraction, multiplication, and division. • The result of a calculation that mixes fractions and decimal values is displ ayed as a decimal value. • Using the [b/c] key, you can enter a fraction with up to 4 di gits in both the numerator and denominator.[...]

  • Page 6

    FX 65 Training guide % change, when a v alue is increased From 30 to 36 [36] [ - ] [30 ] [S HIF T] [%] 20 Percent of increase, when an amount is added. 300 cc is added to 500 c c [300] [+] [500] [SHIFT] [%] 160 Default angle unit setting and conversions [DRG] Changes the default angle unit cyclically between degrees, radians, and grads. [SHIFT] [ D[...]

  • Page 7

    FX 65 Training guide Probability Random number generation [SHIFT] [RAN#] Generates a random number betw een 0 and 0.999. Permutations and combinations [SHIFT] [ nPr] A permutation is a selection of objects in which the order matters. Example: To determine the number of possible different arrangements using 4 items selected from 10 items. [10] [SHIF[...]

  • Page 8

    FX 65 Training guide Memory Memory Calculations The memory function is conv enient for calculating cum ulative tot als. [M+] Adds displayed value to memory. [MR] Recalls the v alue stored in memory. [SHIFT] [ MC] Clears memor y. [SHIFT] [M-] Subtracts the displayed value from memory. [SHIFT] [X-M] Swaps the displayed value with the value currently [...]

  • Page 9

    FX 65 Training guide Trigonometry Be sure to select the angle unit (D, R , G) you w ant to use before beginning a calculation. Trigonometric/I nverse Trigonometr ic Functions To calculate the sine, cosine, or tangent of the display ed angle. Example (in degree mode): [30] [sin] (= .5) To calculate the arcsine, arccosine, or arctangent. Example (in [...]

  • Page 10

    FX 65 Training guide Statisti cs Entering and analyzing statistical data [SHIF T] [S TA T] Enters the sta tisti cs mo de . [COMP] Exits t he statistics mode. Note that all input data is deleted. [SHIFT] [ SAC] Clears statistical memory. Be sure to perform this operation before inputting new data. [DATA] Inputs the displayed value as data. Press [DA[...]