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[上海seo] 上海seo优化计算器Calculator

seo · 发布于 2020-11-23 07:01 · 1 次阅读
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上海seo优化计算器Calculator
                        基本计算器,科学计算器和图形计算器,它也可以让你自己DIY你自己的计算器Sample expressionssimple expression: 1+2variable evaluation: pifunction evaluation: sin(0)variable definition: a=3.5function definition: f(x)=x^2-1parentheses: (1-x)^2You can call the function by simple input f(xxx), for example, if you define a function `f(x,x1) = x + x1`, and if you input `f(2,3)`, the result will be `5`.Predefined functionsLogarithms and powersqrt(x): square ROOT; x^0.5curt(x): cube root; x^(1/3)log(x), ln(x): natural logarithmlog10(x), lg(x): decimal logarithmlog(base,x): arbitrary base logarithmTrigonometric - radianssin(x), cos(x), tan(x)asin(x), acos(x), atan(x)Trigonometric - degreessind(x), cosd(x), tand(x)asind(x), acosd(x), atand(x)Hyperbolicsinh(x), cosh(x), tanh(x)asinh(x), acosh(x), atanh(x)Othergcd(x,y): greatest common divisorcomb(n,k): combinationsperm(n,k): permutationsmin(x,y), max(x,y)floor(x), ceil(x)abs(x): absolute valuesign(x): signumrnd(): random value from [0,1). rnd(max): random value from [0, max).gamma(x): (x-1)!mod(x,y): moduloComplex numbersi or j is the complex base. Example:i*i(1+i)^2e^(i*pi)Operators+ - × ÷ basic arithmetic^ power! factorial# modulo√ square root' first derivative
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