Page 2-14
To recover the larger-font display, press the
@BIG
C
soft menu key once more.
Evaluating the expression
To evaluate the expression (or parts of the expression) within the Equation
Writer, highlight the part that you want to evaluate and press the
@EVAL
D
soft menu key.
For example, to evaluate the entire expression in this exercise, first, highlight
the entire expression, by pressing
‚ ‘
. Then, press the
@EVAL
D
soft
menu key. If your calculator is set to Exact CAS mode (i.e., the
_Approx
CAS mode is not checked), then you will get the following symbolic result:
If you want to recover the unevaluated expression at this time, use the function
UNDO, i.e.,
…¯
(the first key in the third row of keys from the top of the
keyboard). The recovered expression is shown highlighted as before:
If you want a floating-point (numerical) evaluation, use the
NUM
function
(i.e.,
…ï
). The result is as follows:
Содержание 49g+
Страница 1: ...hp 49g graphing calculator user s guide H Edition 4 HP part number F2228 90006 ...
Страница 197: ...Page 5 30 LIN LNCOLLECT POWEREXPAND SIMPLIFY ...
Страница 377: ...Page 11 55 Function KER Function MKISOM ...
Страница 457: ...Page 13 26 In the right hand side figure above we are using the line editor to see the series expansion in detail ...
Страница 775: ...Page 26 10 the location of the backup battery in the top compartment at the back of the calculator ...
Страница 838: ...Page L 5 ...