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Differential Calculations
Press to enter COMP mode.
To perform a differential calculation, you have to input the
expression in the form of:
differential expression a x
• The differential expression must contain the variable x.
• "a" is the differential coefficient.
• " x" is the change interval of x (calculation precision).
Example: To determine the derivative at point x = 10, x = 10
-8
, for
the function f(x) = sin(3x + 30).
Example: For the equation Y = 5x
2
–2x +1, calculate the value of Y if
x = 5 or x = 7.
! The stored expression will be cleared when you start a new
calculation, change into another mode, or turn off the calculator.
(COMP MODE)
0
Y=5X
2
–X+1
0
Y=5X
2
–X+1
116
Y=5X
2
–X+1
232
DisplayKey in operation
LINE MODE:
(COMP MODE) 0
d/dx(sin(3X+30)
0.04534498409
DisplayKey in operation