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Chapter 3: Scientific Calculations
Simulate an equation for different values
Example
Find the area S = bc sin A ÷ 2 when:
1 b = 3, c = 5 and A = 90° (DEG)
2 b = 3, c = 5 and A = 45° (DEG)
3 b = 4, c = 5 and A = 45° (DEG)
Press b 0 to select the NORMAL mode.
1.
Press @ J 0 0 j.
2.
• Sets the angular unit to DEG.
Press ; B ; C v
3.
; A z 2.
• The equation is entered in the normal
way.
Press @ G.
4.
• The calculator automatically calls the
display for entering variables and picks
out the variables in alphabetical order.
• If a variable already has a value, the
calculator displays that value automati-
cally.
•
indicates that there are more variables.
Press 90 e.
5.
• The calculator picks out the next
variable.
Press 3 e 5.
6.
•
indicates that this is the last variable.
7. Press e.
56
A
b
S
S =
bc sin A ÷ 2
NORMAL MODE
BCsinA©2_
BCsinA©2
A=z
BCsinA©2
B=z
BCsinA©2
C=5_
BCsinA©2=
Area of triangle 1 is 7.5
square units.
c
0.
0.
0.
7.5
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