这个计算器是计算C(n,r)值的。 它能够快速计算出很大很大的n和很大的r的值。 比如 C(1000000,100)的值多少？ 下面看看结果： The Value R =: 100 The Value N =: 100,000,0 The Value C(n,r) = 106,621,924,285,106,201,287,451,825,038,562,207,162,667,291,115,250,807,231,138,436,050,033,662,565, 128,461,577,0
a AD630 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from
oracl 和db2 常用语法比较： 1、取前N条记录 Oracle：Select * from TableName where rownum <= N; DB2：Select * from TableName fetch first N rows only; 2、取得系统日期 Oracle：Select sysdate from dual; DB2：Select current timestamp from sysibm.sysdummy1; 3、空值转换 Oracle：Select
有些零件的标注应该更明确更合理,否则卖不掉.-顺络SWPA电感参数手册.pdfSWPA252010S Series
Self-resonant
Inductance DC Resistance
Heat Rating
Saturation Current
Part Number
Fre
Current
100kHz,們 Max. Typ
Min
Max. Typ.Max. Typ.
Units
H
Q
MHZ
A
Symbol
DCR
SRF
Isat
Irms
SWPA252010SR47NT
