EXPRESSIONS

Dragging things around in expressions

Selecting what to drag with a click

3·4+5()

Pressing on the drag target until it is selected

3·4+5()

Double clicking to operate

3·4

Commutative property of addition

a+b

Commutative property of multiplication

3·4

Distributive property

a·b+c()

Distibutive property - dragging out

a·b+c+d()

Sign dragging

a+b-()

Adding fractions

ab+cb

Simplifying fractions

68

Adding numeric fractions

23+12

Converting an improper fraction to a mixed number

76

Multiplying fractions

23·45

Turning division into multiplication by reciprocal

ab

Dividing fractions

abcd

Multiplying powers

ab·ac

Reversing

ab+c

Dividing powers

abac

Reversing

ab-c

The power of a power

ab()c

Reversing

ab·c()

Binomial square

2a+b()

Inverse operations

Addition

a+b=c

Subtraction

=ac-b

Multiplication

a·b=c

Division

=acb

Power - getting the base

ab=c

Power - getting the exponent

ab=c

Root

=acb

Logarithm

=bcloga