HP 48gII Graphing Calculator Uživatelský manuál stáhnout pdf (Strana 433)

ALGEBRA.. ‚× (the 4 key) Ch. 5

ARITHMETIC.. „Þ (the 1 key) Ch. 5

CALCULUS.. „Ö (the 4 key) Ch. 13

SOLVER.. „Î (the 7 key) Ch. 6

TRIGONOMETRIC.. ‚Ñ (the 8 key) Ch. 5

EXP&LN.. „Ð (the 8 key) Ch. 5

The SYMB/GRAPH menu

The GRAPH sub-menu within the SYMB menu includes the following functions:

DEFINE: same as the keystroke sequence „à (the 2 key)

GROBADD: pastes two GROBs first over the second (See Chapter 22)

PLOT(function): plots a function, similar to „ô

PLOTADD(function): adds this function to the list of functions to plot, similar to

Plot setup..: same as „ô

SIGNTAB(function): sign table of given function showing intervals of positive

and negative variation, zero points and infinite asymptotes

TABVAL: table of values for a function

TABVAR: variation table of a function

Examples of some of these functions are provided next.

PLOT(X^2-1) is similar to „ô with EQ: X^2 -1. Using @ERASE @DRAW

produces the plot:

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HP 48gII Graphing Calculator Uživatelský manuál Strana 433