BasicMath 01
BASIC MATH
A Self-Tutorial by Luis Anthony Ast
Professional Mathematics Tutor
LESSON 1:
NUMBERS
Copyright © 2005
All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage or retrieval system, without permission in writing of the author.
E-mail may be sent to: Luis-Ast@VideoMathTutor.com
LASSIFICATION
OF
UMBERS
One of the best ways to “visualize” the different classification of numbers is by using the Real Number Line. We can do this since every number can be represented by a point and every point can be represented by some number: ←→
F NATURAL NUMBERS: These are also called the Counting
Numbers and are the ones you can count with: your fingers and toes if you have to).
1 2 6 4 5 (use
The Math Symbol that represents the Natural Numbers is: N dddddd→ 1
2
3
4
5
6 →
On the number line:
Smallest natural number: 1
(
keys:
,
,
,
,
Largest natural number: None.
To type natural numbers, just use the number and so on.
: These include the natural numbers, but also include Zero. Zero is the fixed point of reference on the number line and is also called the Origin.
F
Math Symbol: W
On the number line:
ddddddd→
1
2
3
4
5
6 →
Smallest whole number: 0
Largest whole number: None
2
(
keys:
,
,
,
,
,
To type whole numbers, just use the number
, , , , .
The whole numbers, plus their respective negative values, make up this collection of numbers.
Math Symbol: Z
F
On the number line:
Smallest integer: None
(
,
← ddddddd→ ←
0
1
2
3 →
Largest integer: None
To type integers, use the number keys:
, etc., but in addition to this, you can use the negation key:
=
Make sure you don’t mix up the negation (negative) key the subtraction key , otherwise you get this error:
,
,
,
with
Pressing will return you to where you were working. The calculator will blink
A Self-Tutorial by Luis Anthony Ast
Professional Mathematics Tutor
LESSON 1:
NUMBERS
Copyright © 2005
All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage or retrieval system, without permission in writing of the author.
E-mail may be sent to: Luis-Ast@VideoMathTutor.com
LASSIFICATION
OF
UMBERS
One of the best ways to “visualize” the different classification of numbers is by using the Real Number Line. We can do this since every number can be represented by a point and every point can be represented by some number: ←→
F NATURAL NUMBERS: These are also called the Counting
Numbers and are the ones you can count with: your fingers and toes if you have to).
1 2 6 4 5 (use
The Math Symbol that represents the Natural Numbers is: N dddddd→ 1
2
3
4
5
6 →
On the number line:
Smallest natural number: 1
(
keys:
,
,
,
,
Largest natural number: None.
To type natural numbers, just use the number and so on.
: These include the natural numbers, but also include Zero. Zero is the fixed point of reference on the number line and is also called the Origin.
F
Math Symbol: W
On the number line:
ddddddd→
1
2
3
4
5
6 →
Smallest whole number: 0
Largest whole number: None
2
(
keys:
,
,
,
,
,
To type whole numbers, just use the number
, , , , .
The whole numbers, plus their respective negative values, make up this collection of numbers.
Math Symbol: Z
F
On the number line:
Smallest integer: None
(
,
← ddddddd→ ←
0
1
2
3 →
Largest integer: None
To type integers, use the number keys:
, etc., but in addition to this, you can use the negation key:
=
Make sure you don’t mix up the negation (negative) key the subtraction key , otherwise you get this error:
,
,
,
with
Pressing will return you to where you were working. The calculator will blink