Remote-processing BASIC 52 Manuel d'utilisateur télécharger pdf (Page 123)

RPBASIC-52 PROGRAMMING GUIDE

2-104

Syntax: A = STR(3,$(n))

Description:

Returns num bers in a string as a real number. Sim ilar to V AL i n othe r Basics. Leading spaces are ignored.

First non-number terminates conversion at last valid number. No valid num bers return 0. Num ber length is

limited to the first 12 valid numbers and decimal in a string. This means a number no greater than

9999999999 999 is converted to a number.

Example: 10 STRING 100,20

20 $(2) = "-23.452volts"

30 A= STR(3,$(2))

40 PRINT A

run

-23.452

Syntax: A = STR(4,$(n))

Description:

Trims spaces to left of first non-space character. Variable A returns length of trimmed string.

Example: 10 STRING 100,20

20 $(0) = " 1234"

30 A = STR(4,$(0))

40 PRINT $(0)

50 PRINT A

run

1234

Syntax: A = STR(5,$(n))

Description:

Trims spaces from right side of string. Variable A returns length of trimmed string.

Example: 10 STRING 100,20

20 $(0) = "ABCDE "

30 A = STR(5,$(0))

40 PRINT $(0)

50 PRINT A

run

ABCDE

Syntax: A = STR(6,$(x),$(y))

A = STR(6,$(x),"string")

Description:

Appends one string into another. This function concatenates tw o strings in the form of $(x) = $(x) + $(y).

Length of new string is returned in variable A. The variable $(y) could be a quoted string.

Example: 10 STRING 120,40

20 $(0)="First part"

30 $(1)=" Second part"

40 A = STR(6,$(0),$(1))

50 PRINT $(0)

60 PRINT "Length:",A

70 A = STR(6,$(0)," last part")

80 PRINT $(0)

90 PRINT "Length:",A

run

First part Second part

Length: 22

First part Second part last part

Length: 32

Lines 50 and 80 print the concatenated string $(0).

1 2 ... 118 119 120 121 122 123 124 125 126 127 128 ... 162 163

Commentaires sur ces manuels

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Lg OLED65C7V User Manual (39 pages)

Brand: Lg | Category: No info | Size: 7.28 MB |

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Цифровое ТВ BS = 07

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