Calcpad
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IDE
Calculator
Basic
Scientific
Graphing
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Area and Perimeter of Rectangle
Dimensions
a
=
,
b
=
Area
A
=
a
·
b
Perimeter
P
= 2·(
a
+
b
)
Settings
×
Mode:
real
complex
Angles:
D
R
G
Decimals
Substitute
Format equatuions
Shadows
Light direction
North
North East
East
South East
South
South West
West
North West
Scale
None
Gray
Rainbow
Terrain
Violet To Yellow
Green To Yellow
Blues
Smooth
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