Casio FX 300 Guía de configuración

FX 300 MS Training guide

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

Consecutive Calculations

Independent Memory

Variables

Clearing Memory

Powers/Square Roots/Cube Root, nth roots

Probability Calculations/Random Number/Factorials

Trigonometry

Trigonometric/Inverse Trigonometric Functions

Hyperbolic/ Inverse 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

References the Casio FX-300 MS User’s Guide Casio FX-300MS Scientific calculator

FX 300 MS Training guide

Basic Arithmetic Calculations

Making Corrections During Input

• Use 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 insert 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

sequentially 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 reset the modes/settings:

Press [SHIFT] [CLR] [2] [=] or [SHIFT] [CLR] [3] [=] .

Order of Operations

The calculator uses “order of operations”.

Examples: 2 + 3 x 4 = 14 You do not need parentheses around 3 x 4.

(2 + 3) x 4 = 20 Use Replay and [SHIFT] [INS] to add parentheses.

Blinking [ ] is the insert cursor.

-2

2= - 4

(-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

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 uses 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 uses exponential notation for integers with

more than 10 digits and decimal values with more

than 9 decimal places. Ex/ 1 ÷1000 = .001

References the Casio FX-300 MS User’s Guide Casio FX-300MS Scientific calculator

FX 300 MS Training guide

Fraction Display

You can use the display set up screen to specify the display format when a fraction

calculation result is greater than one. To set the fraction display, press the [MODE] key

4 times and press “1” for Display (DISP).

Example

3=+

Mixed Fraction: Press 1: a b/c

Improper Fraction: Press 2: d/c 6

3=+

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 set 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 setup to the initial defaults, press [SHIFT] [CLR] [2]

[=]. This will return the calculator to the following settings:

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

References the Casio FX-300 MS User’s Guide Casio FX-300MS Scientific calculator

FX 300 MS Training guide

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 increased.

From 30 to 36 [36] [–] [30] [SHIFT] [%] 20

Degrees/Minutes/Seconds

You can perform calculations using degrees, minutes, and seconds, and convert

between sexagesimal and decimal values.

Examples:

Keystrokes Display

[2.5] [=] 2.5

Press [ ] 2°30°0

,,,o

[10] [ ] [15] [ ] [12] [ ] [x] [4] [=] 41°0°48°

,,,o,,,o,,,o

Memory Calculations

There are different types of memory available:

Answer Memory, Consecutive 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].

Consecutive Calculations

You can use 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 uses 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

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 use 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] [=].

References the Casio FX-300 MS User’s Guide Casio FX-300MS Scientific calculator

FX 300 MS Training guide

Powers/Square Roots/Cube Root, nth roots

To square a number: Use the [x2] key

Example: [5] [x2] [=] 25

To cube a number: Use the [x3] key

Example: [3] [x3] [=] 27

To raise a number to a power Use the [∧] key

(other than 2 or 3): Example: [2] [∧] [4] = 16

To find a square root: Use the [ ] key

Example: [ ] [25] [=] 5

To find a cube root: Use the [3] key

Example: [SHIFT] [3] [27] [=] 3

To find a root Use the [ x] key

(other than square or cube root): Example: [4] [SHIFT] [ x] [81] = 3

To find a reciprocal: Use 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 selection of objects in which the order of the

objects matters.

Example: To determine the possible number of different

arrangements using 4 items selected from 10 items.

[10] [SHIFT] [nPr] [4] [=] 5040

Combinations A combination is a selection of objects from a collection and order

is irrelevant.

Example: To determine the number of different combinations of 4

items selected from 10 items

[10] [nCr] [4] [=] 210

Factorials To calculate a factorial, use [SHIFT] [x!]

Random Number To generate a random number between 0 and 1,

press [SHIFT] [Ran#] [=]

References the Casio FX-300 MS User’s Guide Casio FX-300MS Scientific calculator

FX 300 MS Training guide

Trigonometry

Trigonometric/Inverse Trigonometric Functions

You can use sin, cos and tan to calculate and solve trigonometric equations.

Examples (in degree mode):

Keystrokes Display

[sin] [30] [=] 0.5

[SHIFT] [sin] [.5] [=] 30

Hyperbolic/Inverse Hyperbolic Functions

Examples (in degree mode):

Keystrokes Display

[hyp] [sin] [3.6] [=] 18.28545536

[SHIFT] [hyp] [sin] [30] [=] 4.094622224

[hyp] [SHIFT] [sin] [30] [=]

Convert Radians to Degrees

To convert Radians to Degrees, put the calculator in Degree mode.

Example: radians to degrees

Press [SHIFT] [ ] [SHIFT] [DRG] and press [2] for Radians [=] 180

To convert Degrees to Radians, put the calculator in Radian mode.

Example: 180 degrees to radians

Press [180] [SHIFT] [DRG] and press [1] for Degrees [=] 3.141592654

Coordinate Conversion

You can convert from polar to rectangular and from rectangular to polar. The calculation

results are automatically assigned to variables E and F. Note: For both examples, be

sure you are in degree mode.

To convert polar coordinates (r, θ) to rectangular coordinates (x, y).

Example: To convert ( r = 2, θ= 60) to rectangular coordinates:

Press [SHIFT] [REC] [2] [ , ] [60] [ ) ] [=] 1 (x value)

[RCL] [F] 1.732050808 (y value)

To convert rectangular coordinates (x, y) to polar coordinates (r, θ).

Example: To convert ( x = 1, y = 3) to rectangular coordinates:

Press [POL] [1] [ , ] [ ] [3] [ ) ] [=] 2 (r value)

[RCL] [F] 60 (θvalue)

References the Casio FX-300 MS User’s Guide Casio FX-300MS Scientific calculator

FX 300 MS Training guide

Logarithms/Natural Logarithms

You can find logarithms, natural logarithms, and antilogarithms.

Examples:

Keystrokes Display

[log] [100] [=] 2

[ln] [90] [=] 4.49980967

[ln] [ALPHA] [e] 1

[SHIFT] [ex] [1] [=] 2.718281828

[SHIFT] [10x] [2] [=] 100

References the Casio FX-300 MS User’s Guide Casio FX-300MS Scientific calculator

FX 300 MS Training guide

Standard Deviation

Use the [MODE] key to enter the Standard Deviation (SD) mode when you want to perform

statistical calculations using standard deviation. [MODE] [2]

• To clear statistical memory, press [SHIFT] [CLR] [1] [=].

• To enter data, use the following key sequence: <value> [DT]

• Input data is used to calculate the following values:

Sum of the squares (∑x2) [SHIFT] [S-SUM] [1]

Sum of data (∑x) [SHIFT] [S-SUM] [2]

Number of data items (n) [SHIFT] [S-SUM] [3]

Mean of the data [SHIFT] [S-VAR] [1]

Population standard deviation σn[SHIFT] [S-VAR] [2]

Sample standard deviation σn-1 [SHIFT] [S-VAR] [3]

Key points to note:

• [DT] [DT] inputs the same data twice

• You can input multiple entries of the same data using [SHIFT] [;].

To input 100 ten times, press [100] [SHIFT] [;] [10] [DT]

• You can scroll through the data you entered using the up and down arrows on the

REPLAY button.

• You can edit the displayed data by inputting a new value and then pressing the [=]

key to replace it. If you use the [DT] key (and not the [=] key), this will register the

value you input as a new data item and will leave the old value as is.

• If you want to perform statistical calculations, always press the [AC] key first to exit

the data display.

• To delete a data value that is displayed, press [SHIFT] [CL].

• If you switch to another MODE, you will no longer be able to display or edit your

data.

References the Casio FX-300 MS User’s Guide Casio FX-300MS Scientific calculator

FX 300 MS Training guide

Regression

Use the [MODE] key to enter the Regression (REG) mode when you want to perform statistical

calculations using regression. [MODE] [3]

When you enter Regression mode, you can select from 6 types of regression:

Linear regression [1] (Lin)

Logarithmic regression [2] (Log)

Exponential regression [3] (Exp)

Power regression →[1] (Pwr)

Inverse regression →[2] (Inv)

Quadratic regression →[3] (Quad)

• To clear statistical memory, press [SHIFT] [CLR] [1] [=].

• To enter data, use the following key sequence: <x data> , <y data> [DT]

• The values produced by a regression calculation depend on the values input.

Results can be recalled using the following:

∑x2[SHIFT] [S-SUM] [1]

∑x [SHIFT] [S-SUM] [2]

n [SHIFT] [S-SUM] [3]

∑y2 [SHIFT] [S-SUM] →[1]

∑y [SHIFT] [S-SUM] →[2]

∑xy [SHIFT] [S-SUM] →[3]

Mean of the x data [SHIFT] [S-VAR] [1]

Population standard deviation (x) [SHIFT] [S-VAR] [2]

Sample standard deviation (x) [SHIFT] [S-VAR] [3]

Mean of the y data [SHIFT] [S-VAR] →[1]

Population standard deviation (y) [SHIFT] [S-VAR] →[2]

Sample standard deviation (y) [SHIFT] [S-VAR] →[3]

Regression coefficient A [SHIFT] [S-VAR] →→[1]

Regression coefficient B [SHIFT] [S-VAR] →→[2]

For regression calculations other than quadratic regression:

Correlation coefficient r [SHIFT] [S-VAR] →→[3]

Estimate x [SHIFT] [S-VAR] →→→[1]

Estimate y [SHIFT] [S-VAR] →→→[2]

For quadratic regression:

∑x3[SHIFT] [S-SUM] →→[1]

∑x2y [SHIFT] [S-SUM] →→[2]

∑x4[SHIFT] [S-SUM] →→[3]

Regression coefficient C [SHIFT] [S-VAR] →→[3]

Estimate x1[SHIFT] [S-VAR] →→→[1]

Estimate x2[SHIFT] [S-VAR] →→→[2]

Estimate y [SHIFT] [S-VAR] →→→[3]

References the Casio FX-300 MS User’s Guide Casio FX-300MS Scientific calculator

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