Excel Calculus Functions

Microsoft’s Excel is program that have many math functions but there is no calculus in the standard version. If you need this, you have to install math software that have calculus function such as derivatives and integrals. Polynomial Derivative Derivative function in calculus shows us the rate of change for a point on a continuous […]

Table of Derivatives Formulas

\(c’=0,\quad  c=const;\) \((x^\alpha)’=\alpha x^{\alpha-1}, \quad x\in \mathbb{R}, \alpha\in \mathbb{R};\) \((a^x)’=a^x\ln a,\quad a>0, a\neq 1, x\in \mathbb{R};\) \((e^x)’=e^x;\) \((\log_a x)’=\frac{1}{x\ln a}, \quad x>0;\) \((\log_a|x|)’=\frac{1}{x\ln a},\quad x\neq 0;\) \((\ln x)’=\frac{1}{x},\quad x>0;\) \((\sin x)’=\cos x, \quad x\in \mathbb{R};\) \((\cos x)’=-\sin x\quad x\in \mathbb{R};\) \((\mathrm{tg} x)’=\frac{1}{\cos^2 x},\quad x\neq \frac{\pi}{2}(2n+1), n\in \mathbb{Z};\) \((\mathrm{ctg} x)’=-\frac{1}{\sin^2 x},\quad x\neq \pi n, n\in \mathbb{Z};\) […]

PHP Math Functions, Constants and Operators

PHP Math Functions, Constants and Operators

Most of what you need for math in PHP is already part of the PHP core and no installation is required to use these features. Below are sections containing PHP math functions, constants and operators. PHP Arithmetic Operators The division operator (“/”) returns a float value unless the two operands are integers (or strings that […]

How to Solve Real Life Problems Using Calculus

When we learn mathematics many of us ask ourselves how it can be helpful in real life. This situation applies to the calculus, too. Calculus is very useful tool, it allows us to solve many problems, from deciding on what size moving truck is needed for relocation a business to choosing the best investment plan. […]

Best Free Accounting Software

Best Free Accounting Software

Accounting software is an application software that records and processes accounting transactions within functional modules such as accounts payable, accounts receivable, payroll, and trial balance. It functions as an accounting information system. It may be developed in-house by the company or organization using it, may be purchased from a third party, or may be a […]

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