Mathematics
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==equ==
Unary equation
Multivariate equation
==cal==
Solution inequality
Mathematical calculation
Fractional calculation
Mathematical statistics
Resolving prime factor
Fraction and Decimal Interactions
Lenders ToolBox
==LiAl==
Determinant
Matrix multiplication
Inverse matrix
==der==
Derivative function
==img==
Function image
==que==
Q&A
current location:Mathematical operation > History of Mathematical Computation
x^2+6x-75=0
arctan(3.46)
arctan(3.85)
40000*(1+x)^-1+40000*(1+x)^-2+40000*(1+x)^-3+40000*(1+x)^-4+540000*(1+x)^-5=560000
1.05^4
(800000-50000)+800000*[(1+5%)^4-1]+800000*4.5%
(800000-50000)+800000*[(1+5%)4-1]+800000*4.5%
250=3.14÷4×(x×x)×1.8x+0.26(x×x×x)
12^2+6.4^2
0.727x+56.23/1.25-0.272x+52.3/1000 = x
-250000*0.9091+100000*0.8264+200000*0.7513
-250000*0.9091+100000*0.8264+220000*0.7513
-250000*0.909+100000*0.826+220000*0.751
x+x*0.095+(x+0.095*x)*0.068=211542.5
3x-4.5x(1/6-x)
0.80042/(1.5803-x)+0.3459/(1-x)+0.26797/(1.8155-x)=0
1651916164941361679646*16349463413616374416316314
sqrt(-9)
√(-1)
x^2=-2lg(0.004/3.7+2.51*x^2/5.1/100000)
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