The K Desktop Environment

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4. Modes

4.1 Statistical Mode

Press F3 to toggle between statistical and trigonometry mode. Alternatively bring up the configuration dialog by pushing the KCALC button or by pressing F2 to switch into statistics mode.

N

Recall the number of data items entered

INV N

Display the sum of all data items entered

Mea

Display the mean of the data items entered

INV Mea

Display the sum of the square of all data items entered

Std

Display the standard deviation (n)

INV Std

Display the population standard deviation (n-1)

Med

Display the median

Dat

Enter a data item

INV Dat

Clear last data item entered

Cst

Clear all data item entered

4.2 Trigonometric Mode

Press F3 to toggle between statistical and trigonometry mode. Alternatively bring up the configuration dialog by pushing the KCALC button or by pressing F2 to switch into trigonometric mode.

Hyp

Enter Hyperbolic sub mode. HYP SIN for example is the hyperbolic sine: sinh(x)

Sin

Compute the sine.

INV Sin

Compute the inverse sine.

Cos

Compute the cosine.

INV Cos

Compute the inverse cosine.

Tan

Compute the tangents.

INV Tan

Compute the inverse tangent.

Log

Compute the Log base 10

INV Log

Compute 10 to the power of x.

Ln

Compute the natural logarithm. That is the log with base e.

INV Ln

Compute e to the power of x.

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