Hp 50g Graphing Calculator Bedienungsanleitung PDF herunterladen (Seite 164)

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Function TINC

Function TINC(T

,ΔT) calculates T

+DT. The operation of this function is similar

to that of function TDELTA in the sense that it returns a result in the units of T

Otherwise, it returns a simple addition of values, e.g.,

Defining and using functions

Users can define their own functions by using the DEF command available

thought the keystroke sequence „à (associated with the 2 key). The

function must be entered in the following format:

Function_name(arguments) = expression_containing_arguments

For example, we could define a simple functionH(x) = ln(x+1) + exp(-x).

Suppose that you have a need to evaluate this function for a number of discrete

values and, therefore, you want to be able to press a single button and get the

result you want without having to type the expression in the right-hand side for

each separate value. In the following example, we assume you have set your

calculator to ALG mode. Enter the following sequence of keystrokes:

„à³~h„Ü~„x™‚Å

‚¹~„x+1™+„¸~„x`

The screen will look like this:

1 2 ... 159 160 161 162 163 164 165 166 167 168 169 ... 886 887

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