Mathematics
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Language:English
==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
11.8×10^3×3.14×[(457-7.1×2)/2×10^-3]^2
90-arctan(1.94:4.2)
180-90-arctan(1.94/4.2)
arctan(4.2/1.94)
4×3.14×82.8^2
2.9×(31848.4×10%)^(1/3)
18.1×10^3×3.14×[(457-7.1×2)/2×10^-3]^2
4/tan50+5/tan30+5
7.2/3-2.7tan11.3
125*cos(90+11.3-20)
125*sin(90+11.3-20)
1^3+3^3+5^3+7^3+9^3+11^3+13^3+15^3+17^3+19^3+21^3+23^3+25^3+27^3+29^3
(1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29)^2
(89*89+99*99+378)/181
(88*88+99*99+378)/181
arctan0.017
(1129411.77-6250000*0.1*2)/10000000=
tan20
0.5*cos20*1.75*17
12*22+19*1+19*1+14*4+16*2
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