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kk
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k Applications of Differential Calculations
•Differentials can be added, subtracted, multiplied or divided with each other.
Therefore:
•Differential results can be used in addition, subtraction, multiplication, and
division, and in functions.
2 × f '(a), log ( f '(a)), etc.
• Functions can be used in any of the terms ( f (x), a, Ax) of a differential.
•Note that you cannot use a Solve, differential, quadratic differential, integration,
maximum/minimum value or Σ calculation expression inside a differential
calculation term.
•Pressing A during calculation of a differential (while the cursor is not shown
on the display) interrupts the calculation.
•Always use radians (Rad Mode) as the angle unit when performing trigono-
metric differentials.
Differential Calculations 3 - 2
dd
––– f (a) = f '(a), ––– g (a) = g'(a)
dx dx
f '(a) + g'(a), f '(a) × g'(a), etc.
d
––– (sinx + cosx, sin0.5), etc.
dx