Tools FX 300 MS Calculator
Overhead OH 300 MS
Handouts Applicable activities
Activities for the Classroom FX-300 Scientific Calculator
Other materials Quick Reference Guide (inside the calculator cover)
Key Points/ Overview
Two line display
VPAM to show formulas as in textbooks
(Visually Perfect Algebraic Method)
Fraction key; Mixed number vs. improper fractions
Recall and edit function
Statistics mode including standard deviation and regression Content
BASIC ARITHMETIC CALCULATIONS Mode 1 (Comp) Computation
Making Corrections During Input
Replay Function
Order of Operations
Display Format (FIX, SCI, Norm)
Fraction Display
Decimal-Fraction Conversion
Angle Display
Initial Defaults
Percentage Calculations
Degrees/Minutes/Seconds
Memory Calculations
Answer Memory
Concutive Calculations
Independent Memory
Variables
Clearing Memory
Powers/Square Roots/Cube Root, nth roots
Probability Calculations/Random Number/Factorials
Trigonometry
Trigonometric/Inver Trigonometric Functions
Hyperbolic/ Inver Hyperbolic Functions
Convert Radians to Degrees
Coordinate Conversion
Logarithms/Natural Logarithms
STATISTICAL CALCULATIONS
Standard Deviation Mode 2 (SD) Standard Deviation
Regression
Mode 3 (Reg) Regression
Basic Arithmetic Calculations
Making Corrections During Input
• U the left and right arrows on the REPLAY function to move the cursor to the location you want to correct.
• Press [DEL] to delete at the current cursor position
• Press [SHIFT] [INS] to change the cursor to an inrt cursor [ ].
Replay Function
Every time you perform a calculation, the replay function stores the calculation formula
and its result in replay memory. Pressing the up arrow displays the formula and result of the calculation you last performed. If you continue to press the up arrow, you will scroll quentially through your last calculations (most recent to oldest).
Notes:
Replay memory capacity is 128 bytes.
Pressing AC will not clear the replay memory.
If you want to clear the replay memory, press the ON key or ret the modes/ttings:
Press [SHIFT] [CLR] [2] [=] or [SHIFT] [CLR] [3] [=] .
Order of Operations
The calculator us “order of operations”.
Examples: 2 + 3 x 4 = 14 You do not need parenthes around 3 x 4.
(2 + 3) x 4 = 20 U Replay and [SHIFT] [INS] to add parenthes.
the
cursor.
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2 2 = - 4
日记200字左右(- 2) 2 = 4
Display Format
To change the exponential display format, press the [MODE] key 3 times.
Fixed number of decimal places: Press 1: FIX
教师学期工作计划You will then be prompted for the number of
decimal places (0 – 9).
Scientific Notation: Press 2: SCI
You will then be prompted for the number of
significant digits (0 – 9).
Normal Notation: Press 3: NORM
You will then be prompted for NORM 1 or NORM 2.
NORM 1 us exponential notation for integers with
more than 10 digits and decimal values with more
than 2 decimal places. Ex/ 1 ÷ 1000 = 1 x 10-3
NORM 2 us exponential notation for integers with
more than 10 digits and decimal values with more
than 9 decimal places. Ex/ 1 ÷ 1000 = .001
Fraction Display
You can u the display t up screen to specify the display format when a fraction calculation result is greater than one. To t the fraction display, press the [MODE] key 4 times and press “1” for Display (DISP).
Example 6523423=+ Mixed Fraction: Press 1: a b/c
Improper Fraction: Press 2: d/c 6
173423=+ Decimal-Fraction Conversion
Examples: Keystrokes Display
Enter [2.75] [=] 2.75
Press [a b/c] 2 3 4
[SHIFT] [d/c] 11 4
Angle Display
To t the angle unit at degrees, radians, or grads, press the [MODE] key 2 times. Degrees Press 1
Radians Press 2
Grads Press 3
Initial Defaults
To return the calculation mode and tup to the initial defaults, press [SHIFT] [CLR] [2]
[=]. This will return the calculator to the following ttings:
Calculation mode COMP
Angle unit Deg
Exponential display format Norm 1
Fraction display format a b/c
Decimal point character Dot
Percentage Calculations
Examples:
Keystrokes Display To find percentage of
a number.
12% of 15 [15] [x] [12] [SHIFT] [%] 1.8
To calculate percentage
of one number to another.
What percentage of 80 is 40? [40] [] [80] [SHIFT] [%]
50 ÷
To add a percentage.
15% to 1000 [1000] [x] [15] [SHIFT] [%] [+] 1150
To discount a percentage.
85 by 10% [85] [x] [10] [SHIFT] [%] [ -] 76.5
% change, when a value
is incread.
From 30 to 36 [36] [–] [30] [SHIFT] [%] 20
Degrees/Minutes/Seconds
You can perform calculations using degrees, minutes, and conds, and convert
between xagesimal and decimal values.
Examples:
Keystrokes Display
[2.5] [=] 2.5
,,,o
Press [] 2° 30° 0
,,,o,,,o,,,o
[10] [] [15] [] [12] [] [x] [4] [=] 41° 0° 48°
Memory Calculations
There are different types of memory available:考勤通报
Answer Memory, Concutive Calculations, Independent Memory, and Variables.
Answer Memory
Whenever you press [=] after inputting values or an expression, the calculated result
automatically updates the Answer Memory contents by storing the result. You can recall it by pressing [ANS].
Concutive Calculations
You can u the calculation result that is currently on display (and also stored in Answer Memory) as the first value of your next calculation.
Independent Memory
Independent Memory us the memory area in variable M and is convenient for
calculating cumulative totals.
To add a value to M, press [M+].
To subtract a value from M, press [SHIFT] [M-].
To recall the value of M, press [RCL] [M].
Variables
虾线怎么去
There are 9 variables available (including M) to store data (A through F, M, X, and Y).
To add a value to memory letter A, enter the value and press [SHIFT] [STO] [A].
To recall the value of A, press [RCL] [A]. Note: Do NOT u the ALPHA key.
Clearing Memory
To clear independent memory, press [0] [SHIFT] [STO] [M] (this stores 0 in M).
To delete data assigned to a specific variable, press [0] [SHIFT] [STO] <> (enter the
letter you want to clear, without pressing the ALPHA key).
To clear the values assigned to all of the variables, press [SHIFT] [CLR] [1] [=].
Powers/Square Roots/Cube Root, nth roots To square a number: U the [x 2] key
Example: [5] [x 2] [=] 25
交通常识To cube a number: U the [x 3] key
Example: [3] [x 3] [=] 27
To rai a number to a power U the [∧] key (other than 2 or 3): Example: [2] [∧] [4] = 16
To find a square root: U the [] key Example: [] [25] [=] 5
To find a cube root:
U the [3] key
Example: [SHIFT] [3] [27] [=] 3 To find a root U the [x ] key (other than square or cube root): Example: [4] [SHIFT] [x ] [81] = 3
不废江河万古流To find a reciprocal: U the [x -1] key
Example: [5] [x -1] [=] .2 Note: Press [a b/c] and the display will change to 1/5.
Probability Calculations/ Random Number/ Factorials
Permutations A permutation is a lection of objects in which the order of the
objects matters.
Example: To determine the possible number of different
arrangements using 4 items lected from 10 items.
[10] [SHIFT] [nPr] [4] [=] 5040
Combinations A combination is a lection of objects from a collection and order
is irrelevant.
Example: To determine the number of different combinations of 4
豆芽怎么炒items lected from 10 items
[10] [nCr] [4] [=] 210
Factorials To calculate a factorial, u [SHIFT] [x !]
Random Number To generate a random number between 0 and 1,
press [SHIFT] [Ran#] [=]
