Delta FX 300 User Manual
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FX 300 MS Training guide

 Tools FX 300 MS Calculator Overhead OH 300 MS Handouts Applicable activities Activities for the Classroom FX-300Scientific 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-FractionConversion

Angle Display

Initial Defaults

Percentage Calculations

Degrees/Minutes/Seconds

Memory Calculations

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

Coordinate Conversion

Logarithms/Natural Logarithms

 STATISTICAL CALCULATIONS Standard Deviation Mode 2 (SD) Standard Deviation Regression Mode 3 (Reg) Regression

1

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

FX 300 MS Training guide

## 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 2
 References the Casio FX-300MS User’s Guide Casio FX-300MSScientific 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

Mixed Fraction:

Press 1: a b/c

3

+

4

= 2

5

2

3

6

Improper Fraction:

Press 2: d/c

3

+

4

=

17

2

3

6

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.

## 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.

[40] [ ÷] [80] [SHIFT] [%]

50

What percentage of 80 is 40?

3

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