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To enter this expression in the calculator we will first use the equation writer,
‚O. Please identify the following keys in the keyboard, besides the
numeric keypad keys:
!@.#*+-/R
Q¸Ü‚Oš™˜—`
The equation writer is a display mode in which you can build mathematical
expressions using explicit mathematical notation including fractions, derivatives,
integrals, roots, etc. To use the equation writer for writing the expression
shown above, use the following keystrokes:
‚OR3*!Ü5-
1/3*3
———————
/23Q3™™+!¸2.5`
After pressing `the calculator displays the expression:
√ (3*(5-1/(3*3))/23^3+EXP(2.5))
Pressing `again will provide the following value. Accept Approx. mode on,
if asked, by pressing !!@@OK#@. [Note: The integer values used above, e.g., 3, 5,
1, represent exact values. The EXP(2.5), however, cannot be expressed as an
exact value, therefore, a switch to Approx mode is required]:
You could also type the expression directly into the display without using the
equation writer, as follows:
R!Ü3.*!Ü5.-1./
!Ü3.*3.™™
/23.Q3+!¸2.5`
to obtain the same result.
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