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119
Programming
Chapter 8
2. Programming Examples
Example 1
To calculate the surface area and volume of three regular
octahedrons of the dimensions shown in the table below
Store the calculation formula under the file name OCTA.
Length of One Side (A)
Surface Area (S)
Volume (V)
7 cm
cm
2
cm
3
10 cm
cm
2
cm
3
15 cm
cm
2
cm
3
The following are the formulas used for calculating surface area S and volume V of a
regular octahedron for which the length of one side is known.
2
S = 2 3 A
2
,
V = –––– A
3
3
When inputting a new formula, you first register the file name and then input the
actual program.
u
u
u
u
u
To register a file name
Example
To register the file name OCTA
• Note that a file name can be up to eight characters long.
1. While the program list is on the display, press
3
(NEW).
3
(NEW)
4
(SYBL) ..... Symbol menu
2. Input the name of the file.
OCTA
• The cursor changes form to indicate alpha character input.
• The following are the characters you can use in a file name:
A through Z, spaces, [, ], {, }, ’, ”, ~, 0 through 9, ., +, –,
!
,
÷
A
1
2
3
4
Summary of Contents for fx-7400G
Page 46: ...Differential Calculations Chapter 3 ...
Page 164: ...161 1 2 3 4 5 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 165: ...162 Program for Circle and Tangents No 4 Step Key Operation Display 6 7 8 9 10 ...
Page 166: ...163 11 12 13 14 15 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 167: ...164 16 17 18 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 170: ...167 1 2 3 4 5 Program for Rotating a Figure No 5 Step Key Operation Display ...