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N## XLatest Additions

250The Normal Distribution : Probabilities : Standardising Normal Variables

8141Numerical Methods : Iterative methods : Exam Question

8137The Normal Distribution : Probabilities : Exam Question

8006Numerical Methods : Iterative methods : Exam Question

7985Numerical Methods : Iterative methods : Exam Question

13796Number : Standard form : A planet's circumference

7904Numerical Methods : Iterative methods : Exam Question

13696Number : Standard form : Example 9

13555Number : Standard form : Ordering O-test 2

13554Number : Standard form : Ordering O-test 1

13553Number : Standard form : O-test 3

13552Number : Standard form : O-test 2

13551Number : Standard form : O-test 1

13550Number : Standard form : Example 8

13549Number : Standard form : Example 7

Timed Symbols O-test

Notation O-test

Symbols O-test

Greek Symbols O-test

Symbols O-test 2

Set notation

Set notation O-test

Functions O-test

Numbers O-test

Converting 1

Converting 2

Converting 3

A planet's circumference

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Example 7

Example 8

Example 9

O-test 1

O-test 2

O-test 3

Ordering O-test 1

Ordering O-test 2

Eulers method 1

Graphical illustration

Eulers method 2

Eulers method

Eulers method 2

Eulers method 3

Eulers method 3

Eulers method 4

Eulers method 5

Eulers method 6

Eulers method 7

Eulers method 8

Eulers method 9

Eulers method 10

Eulers method graphed

Investigate

Alternate notation

Many iterations

Many iterations 2

Euler's improved method

Improved method 2

Improved method 3

MIT video: Eulers method

Exam O-test 1

Exam O-test 2

Randomised Exam Q 2006

Randomised Exam Q 2006

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Graphical illustration

The mid-point rule

The mid-point rule 2

The mid-point rule 3

The mid-point rule 4

The mid-point rule 5

The trapezium rule

The trapezium rule 3

The trapezium rule 2

Midpoint & Trapezium

Simpson's rule

Simpson's rule 2

Simpson's rule 3

Simpson's rule 4

Simpson's rule 5

Simpson's rule 6

Using a spreadsheet

Using a spreadsheet 2

Exam O-test 1

Exam O-test 2

Exam O-test 3

Randomised Exam Q 2005

Randomised Exam Q 2006

Randomised Exam Q 2007

Randomised Exam Q 2007

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Randomised Exam Q 2009

Cubic function on a GDC

Quadratic function on a GDC

Linear function on a GDC

Using least squares fit

Interpolation

Polynomial interpolation

Finite difference tables

Newtons interpolation formula

Finite difference tables 2

Newtons interpolation formula 2

Newtons interpolation formula 3

Newtons interpolation formula 4

Newtons interpolation formula 5

Lagranges formula

Lagranges formula 2

Lagranges formula 3

Lagranges formula 4

Lagranges formula 5

Rocket launch

Rocket launch 2

Spreadsheet investigation

Exam O-test 1

Exam O-test 2

Randomised Exam Q 2005

Randomised Exam Q 2006

Randomised Exam Q 2006

Randomised Exam Q 2007

Randomised Exam Q 2007

Randomised Exam Q 2007

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Randomised Exam Q 2008

Types of error

Decimal places

Rounding numbers

Rounding numbers 2

Rounding numbers 3

Interval estimates

Significant figures

Significant figures 2

Interval estimates 2

Interval estimates 3

Significant figures 3

Interval estimates 4

Relative error

Errors in calculations

Errors in calculations 2

Errors in calculations 3

Errors in calculations 4

Errors in calculations 5

Percentage error

Exam O-test

Exam O-test

Randomised Exam Q 2005

Randomised Exam Q 2007

Randomised Exam Q 2007

Randomised Exam Q 2007

Randomised Exam Q 2007

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Randomised Exam Q 2008

Zooming In to Find Roots

Example 1

Example 1

Example 2

Example 2

Example 3

Example 3

Example 4

Example 4

Example 5

Zooming In to Find Roots

O-test

Randomised Exam Q 2000

Randomised Exam Q 2000

Example 1

Example 2

Example 3

Example 4

Example 5

Exam O-test

Randomised Exam Q 2006

Randomised Exam Q 2007

Randomised Exam Q 2007

Randomised Exam Q 2008

Randomised Exam Q 2014

Cobweb diagrams 4

Example 3

Cobweb diagrams 3

Cobweb diagrams 2

Graphical illustration

Graphical illustration

Rearranging equations

Rearranging equations

Rearranging equations 2

Rearranging equations 2

Rearranging equations 3

Rearranging equations 3

Rearranging equations 4

Rearranging equations 4

O-test 1

Example 1

Example 1

Example 2

Example 2

Example 3

Cobweb diagrams

x

_{n+1}=x_{n}²-ax

_{n+1}=rx_{n}(1-x_{n})x

_{n+1}=x_{n}²-ax

_{n+1}=rx_{n}(1-x_{n})More on x

_{n+1}=rx_{n}(1-x_{n})Iterative methods on a GDC

Using a GDC

Checking solutions on a GDC

Checking on a GDC

Xtra

Spreadsheet investigation

Using a spreadsheet

O-test 2

Convergence O-test

Exam O-test 1

Exam O-test 2

Exam O-test 3

Exam O-test 4

Exam timed O-test

Randomised Exam Q 2000

Randomised Exam Q 2000

Randomised Exam Q 2000

Randomised Exam Q 2000

Randomised Exam Q 2004

Randomised Exam Q 2004

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Randomised Exam Q 2010

Randomised Exam Q 2010

Randomised Exam Q 2011

Randomised Exam Q 2011

Randomised Exam Q 2014

Randomised Exam Q 2015

Introduction

Graphical illustration

Example 1

Example 2

Example 3

Example 4

Example 5

Tabulated values

Tabulated values 2

Percentage error

Percentage error 2

Exam O-test

Randomised Exam Q 2006

Randomised Exam Q 2008

Graphical illustration

Graphical illustration

Newtons method 2

Newtons method 2

Newtons method 3

Newtons method 3

Newtons method 4

Newtons method 4

Video introduction

Newtons method 5

Newtons method 5

Example 1

Example 1

Example 2

Example 2

Example 3

Example 3

Newton's method on a GDC

Example 4

Using a GDC

O-test

Exam O-test 1

Exam O-test 2

Randomised Exam Q 2000

Randomised Exam Q 2000

Randomised Exam Q 2000

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Randomised Exam Q 2002

Randomised Exam Q 2002

Randomised Exam Q 2005

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Randomised Exam Q 2014

Forward differences

Forward differences 2

Central differences

Central differences 2

Compare methods

Compare methods 2

Errors

Errors 2

Errors 3

Exam O-test

Randomised Exam Q 2005

Randomised Exam Q 2006

Randomised Exam Q 2006

Randomised Exam Q 2007

Randomised Exam Q 2008

Heat transfer

Resistor

Thermodynamics

Current

Copper and zinc

Alloys

First order

Second order

Second order 2

Simpson's rule

The mid-point rule

Forward differences

Central differences

O-test

Randomised Exam Q 2007

Linear data

Approximately linear

Quadratic data

Cubic data

Square root data

Square root data 2

Reciprocal data

Reciprocal data 2

Reciprocal data 3

Reciprocal data 4

Reciprocal data 5

Using logs

Using logs 2

Using logs 3

Using logs 4

Other relationships

Other relationships 2

Other relationships 3

Which relationship?

Voltage

Thermodynamics

Exam O-test

Randomised Exam Q 2008

Randomised Exam Q 2008

Scatter diagrams

More on Scatter diagrams

The y on x line

Least squares

Using the mean point

Calculate the regression line

Calculate the regression line 2

The regression line on a GDC

Randomised Exam Q 2000

Randomised Exam Q 2001

Randomised Exam Q 2002

Randomised Exam Q 2006

Randomised Exam Q 2008

Randomised Exam Q 2008

The set of integers

The rational numbers

The rational numbers 2

The rational numbers 3

Irrational numbers

Randomised Exam Q 2008

Randomised Exam Q 2008

Converting

Converting 2

Adding

Adding 2

Adding on a GDC

Multiplying

Multiplying on a GDC

Timed O-test 1

Timed O-test 2

Exam O-test

Randomised Exam Q 2006

Randomised Exam Q 2007

Randomised Exam Q 2008

Graphical illustration

Example 1

Example 2

Exam O-test

Randomised Exam Q 2005

Randomised Exam Q 2007

Randomised Exam Q 2008

Powers of 10

SI units

SI units 2

SI units 3

Conversions

Temperature

Randomised Exam Q 2008

Mindmap

Probabilities using a GDC 2

Finding probabilities

Finding probabilities 3

Probabilities using a GDC

Mean and variance 2

Probabilities using a GDC 3

Finding probabilities 2

Finding the variance

Finding probabilities 4

Finding x values 2

Finding z probabilities

Finding z probabilities 2

Finding z probabilities 3

Using tables 1

Using Normal tables

Finding z probabilities 4

Finding z probabilities 5

Finding z probabilities 6

Finding z probabilities 7

Finding z probabilities 8

Finding z probabilities 9

O-test 1

Find z values 1

Find z values 2

Find z values 3

Find z values 4

Find z values 5

Find z values 6

Standardising Normal Variables

Standardising Practice

Timed O-test

Finding x values 1

Finding the mean 1

Finding the mean 2

Mean and variance 1

Mean and variance 3

O-test 2

O-test 3

O-test 4

Exam O-test

Exam timed O-test

Randomised Exam Q 2001

Randomised Exam Q 2001

Randomised Exam Q 2007

Randomised Exam Q 2007

Randomised Exam Q 2009

Randomised Exam Q 2015

Heights

O-test

Engine component

Nails

Light bulbs

Weights

Ball-bearings

Journey times

Car wiper blades

Garage repairs

Soft drinks

Batteries

Beer

Sweets

Army recruits

Motorway speeds

Exam O-test 1

Exam O-test 2

Exam O-test 3

Randomised Exam Q 2000

Randomised Exam Q 2000

Randomised Exam Q 2002

Randomised Exam Q 2002

Randomised Exam Q 2002

Randomised Exam Q 2002

Randomised Exam Q 2003

Randomised Exam Q 2003

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Normal Distribution Graph

Theoretical and experimental