Applications Of Differential Calculations - Casio fx-9860G Series User Manual

Applications of Differential Calculations

• Differentials can be added, subtracted, multiplied or divided with each other.
d d
––– f (a) = f '(a), ––– g (a) = g'(a) ––– f (a) = f '(a), ––– g (a) = g'(a)
dx dx
Therefore:
'
f ( a ) + g
• Differential results can be used in addition, subtraction, multiplication, and division, and in
functions.
2 × f
'
( a ), log ( f
• Functions can be used in any of the terms (
d d
––– (sin ––– (sin
dx dx
# You cannot use a differential, quadratic
differential, integration, Σ, maximum/minimum
value, Solve, RndFix or log ab calculation
expression inside a differential calculation
term.
2-5-4
Numerical Calculations
d d
dx dx
( a ) × g
' ' '
( a ), f ( a ), etc.
'
( a )), etc.
f
x x x x
+ cos + cos , sin0.5, 1 , sin0.5, 1 - 8), etc. - 8), etc.
E E
# Pressing A during calculation of a differential
# Always use radians (Rad mode) as the angle
20070201
x a
, tol) of a differential.
( ),
(while the cursor is not shown on the display)
interrupts the calculation.
unit when performing trigonometric differentials.