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Languager:简体中文
License  :
OperatingSystem:2003/XP/Win2000/NT/Win9x
Add people:Jet.Ding
FileSize :1.35 M
Evaluation:Star Level
Update    :2009-4-2
Downloads: 6933

英棣计算台 3.2g Description:
"英棣计算台"可实现下列计算:        
    (1)结果是有理数的四则运算:        
       4¡Á(2/3-2¡Á(-3/11+5)-1/2)=-1226/33      
    (2)任意函数表达式计算:      
       2¡Á(-3/2+5)+3¡Ásin(π/4) ( => 9.121320343559642)      
    (3)多项式求值:  
           x=-1/2,y=1/3 | (x3+y3)(x2-y2)  
          (显示: =-95/7776≈-.0122170781893 )                
       上式表示:x=-1/2,y=1/3 时,x的3次方与y的3次方的和与x的2次方与y
       的2次方的差的积。
    (4)多元一次方程组求解(及行列式化简):
      ┌  3x+3/2y+4z=7/2       ( y的系数是3/2,以后免提示。)    
      ├ -1/2x+3y+1/2z=11/4
      └ 4x+6y-4z=-2
       方程组的解为:{ -1/2,2/3,1 }
       注:阶数不限。
     (5)n个数求和及统计:
        4 ,-1/3, 3,  2,  2/5
        5 ,1/2 , 9, -3/7, 1/10
       显示:所求10个数的和 = 488/21  平均数x_ = 244/105
     (6)商务、财务计算:
        可快速、批量、加注进行计算,计算内容可保存、编辑、打印。
本次升级:主要在于为"计算黑板"添加函数列表。
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