Graphing Information and Reference
 
1. Enter: h=sin([0..360])
  Note: Use Scientific mode for "sin(".
 
SciPnl
Alternate method:
Enter: h=; then hit [Esc] key on computer keyboard; type sin([0..360])

Video Tutorial @ RedCrab Graphing - start @3.21min.
    Note: move bottom red slider to 3.21

fig. 1  Graphing Trig Functions
Graphing Techniques
Graphs of y = a sin x and y = a cos x
fig. 2  Graphing Trig Functions
Reference: Graphing Trig Functions
Reference: Graphing Trig Functions

 Graphing Information and Reference
 
  Add equal (=) after h=sin([0..360]) to get answer
example: h=sin([0..360])=
SciPnl
  [0..360] means 0 through 360 or a complete cycle
(0 through 360 degrees is a complete cycle)
  [0..180] means 0 through 180 or half a cycle







Reference: cycles or frequency
Reference: Turn or cycle - Geometry
 
 

fig. 3  Graphing Trig Functions
Reference: Graphing Trig Functions
Reference: Graphing Trig Functions
fig. 4  Graphing Trig Functions
Reference: Graphing Trig Functions
Reference: Graphing Trig Functions

 Graphing Information and Reference

   3. Right click on any answer number (gives Popup menu) click on vertical

fig. 5  Parallelogram Area and Perimeter
Reference: Graphing Trig Functions
Perimeter = 2(side a + side b)
fig. 6  Parallelogram Online Calculator
Reference: Parallelogram calculator
Reference: Parallelogram calculator


 Graphing Information and Reference
Answer is displayed vertically (from horizontal)
Right click on any answer number (gives Popup menu) click on vertical again
Answer is displayed horizontally (from vertical)



Reference:
Reference:

fig. 7  Rhombus Area and Perimeter
area = ah
perimeter = 4a
fig. 8  Rhombus Online Calculator
Reference: rhombus calculator
Reference: rhombus calculator

 Graphing Information and Reference

   4. click on undock [from vertical display(gives vertical Result Table)]

Example:
   
   

fig. 9  
fig. 10  
Reference:
Reference:

Graphing Information and Reference

    
SciPnl
Chart Box 5. Right click on chartbox opens the popup menu.
   
  
  

Reference:
Reference:

fig. 11  Triangle Area
   Area = (1/2)bh
   Perimeter = a+b+c
fig. 12  Triangle Online Calculator
   Reference: Triangle
   Reference: Triangle


 Graphing Information and Reference

  
  

  
  
  

fig. 13  Kite Area
   
   
fig. 14  Kite Online Calculator
   Reference:
   Reference:


 Graphing Information and Reference
  A circle - A plane curve everywhere equidistant from a given fixed point, the center.

  In RedCrab, with Result boxes you can display formatted results of calculations on any work sheet position. Click Result box on the Insert menu to open a result box.
  

fig. 15  Circle Area
   Area = πR²
   Circumference = 2πR
fig. 16  Circle Information and Reference
Reference: Circle Area
Reference: Circle Area


 Graphing Information and Reference
   Click on [enter] gives graph

  
  
  
  
  
  
   Reference: Pentagon formulas
   Reference: Pentagon formulas
   Reference: Pentagon Area and Perimeter

fig 17  Pentagon Area and Perimeter
   Area = S²N / (4tan(π/N))
   Perimeter = 5 S
fig 18  Pentagon Information and Reference
   Reference: Pentagon Area and Perimeter
   Reference: Pentagon Area and Perimeter


Graphing Information and Reference

  Click on Reset (removes answer [blue numbers])


   Reference: Hexagon Calculators
   Reference: Hexagon Calculators

fig. 19  Hexagon Area and Perimeter
   Area = (3√3)/2 S²
   Perimeter = 6 S
fig. 20  Hexagon Online Calculator
   Reference: Hexagon Calculator
   Reference: Hexagon Calculator


 Graphing Information and Reference
    Using an Octagon as example:

 Polygon area formula:
     A= S² N/4(tan(π/N))
      Where:
        S= side length
        N= number of sides

   Reference: Polygon Calculator
   Reference: Polygon Calculator
   Reference: Octagon Calculator
 

fig. 21  Polygon Area and Perimeter
   Area = 2(1+√2)S²
   Perimeter = 8 S
fig. 22  Polygon Online Calculator
   Reference: Polygon Calculator
   Reference: Polygon Calculator




Reference:
   √ = Crtl + 1
   x² (or exponent 2) = F3 + 2
   π = Ctrl + P
 
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Kirt Blattenberger,Erie, PA, (814) 833-1967, rfcafe@earthlink.net
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Drexel University, 3141 Chestnut Street, Philadelphia, PA 19104, 215-895-2000
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