參數(shù)資料
型號： NSB8
廠商： Electronic Theatre Controls, Inc.
英文描述： BASIC interpreter for Z80 family
中文描述： Z80的BASIC解釋為家庭
文件頁數(shù)： 84/158頁
文件大?。?/td> 752K
代理商： NSB8
grifo
ITALIAN TECHNOLOGY
Page 72
NSB8 Rel. 5.10
1.23456789E-09, with a 9 digit mantissa which is too many digits. The number will be rounded to
1.2345679E-09 (note that scientific notation is a more compact way to write these very small
numbers). Finally, if you added 1 to either number, it would be rounded to become exactly 1. Check
the E format versions for the clear reason. This time, you’ll come up with 1.00000000123E+00 and
1.0000000012345679E+00. Both mantissas exceed 8 digits in length. Rounding them to 8 digits
leaves only the number 1 for each.
RANGE
A number may be positive, negative, or zero. Positive and negative numbers in standard (8 digits)
precision
NSB8
can range in magnitude from 1E-64 to 9.9999999E+62.
If you type a numeric constant into BASIC which is too large for BASIC to handle, a SYNTAX ERROR
will occur. If a number which is too small is typed in, it will be rounded down to zero.
OPERATORS
Operators are used in BASIC as they are in regular arithmetic to combine two numeric values
(operands) or to modify one operand in certain predefined ways. Three classes of operators,
arithmetic, relational, and boolean are used with numbers. Each class will be examined separately:
ARITHMETIC OPERATORS
These operators correspond to those used in common mathematic expressions:
OPERATOR
^
*
/
-
+
-
FUNCTION
exponentiation
multiplication
division
subtraction
addition
negation
EXAMPLE
9^2=81
5*1.5=7.5
3/2=1.5
3.2-2=1.2
7.9+2.1=10
-3, -27
RELATIONAL OPERATORS
The relational operators are used to compare pairs of numeric values. The numeric result of a
relational comparison is either 1 (which stands for true) or 0 (false). Usually, relational comparisons
are employed as conditions for IF…THEN statements (see statement IF). For example, at a certain
point in a program, it might be desired to assign the value of 10 to the variable T if the value of X
is greater then 10. The comparison (X>10) would be used as
IF X>10 THEN T=10
The IF statement will assign 10 to T based on the truth or falsehood of the relational comparison at
the time the statement is executed. The following chart presents the relational operators available in
NSB8
:
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
NSB8AT 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:Glass Passivated General Purpose Plastic Rectifier
NSB8AT/31 功能描述:整流器 50 Volt 8.0 Amp 125 Amp IFSM RoHS:否 制造商:Vishay Semiconductors 產(chǎn)品:Standard Recovery Rectifiers 配置: 反向電壓:100 V 正向電壓下降: 恢復(fù)時(shí)間:1.2 us 正向連續(xù)電流:2 A 最大浪涌電流:35 A 反向電流 IR:5 uA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DO-221AC 封裝:Reel
NSB8AT/45 功能描述:整流器 50 Volt 8.0 Amp 125 Amp IFSM RoHS:否 制造商:Vishay Semiconductors 產(chǎn)品:Standard Recovery Rectifiers 配置: 反向電壓:100 V 正向電壓下降: 恢復(fù)時(shí)間:1.2 us 正向連續(xù)電流:2 A 最大浪涌電流:35 A 反向電流 IR:5 uA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DO-221AC 封裝:Reel
NSB8AT/81 功能描述:二極管 - 通用，功率，開關(guān) 50 Volt 8.0 Amp 125 Amp IFSM RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Switching Diodes 峰值反向電壓:600 V 正向連續(xù)電流:200 A 最大浪涌電流:800 A 配置: 恢復(fù)時(shí)間:2000 ns 正向電壓下降:1.25 V 最大反向漏泄電流:300 uA 最大功率耗散: 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:ISOTOP 封裝:Tube
NSB8AT-E3/31 功能描述:整流器 50 Volt 8.0 Amp 125 Amp IFSM RoHS:否 制造商:Vishay Semiconductors 產(chǎn)品:Standard Recovery Rectifiers 配置: 反向電壓:100 V 正向電壓下降: 恢復(fù)時(shí)間:1.2 us 正向連續(xù)電流:2 A 最大浪涌電流:35 A 反向電流 IR:5 uA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DO-221AC 封裝:Reel
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