Answer 1: Using the addition operator (+) More details are here: http://php.net/manual/en/language.operators.arithmetic.php Buy “Learn Math (50 formulas with examples)” eBook

Continue reading# Author: Sergiu Funieru

## How to fix one line “code” tag that doesn’t work in WordPress

If I have only one line, and I surround it with the code tags, it doesn’t work. I noticed this

Continue reading## How to fix “Call to undefined function imagecreatetruecolor()”

Open php.ini Replace: ;extension=php_gd2.dll with: extension=PATHTOPHPEXE\ext\php_gd2.dll where PATHTOPHPEXE is the location where you installed php.exe (for instance, c:\php). You need

Continue reading## tst4

<!DOCTYPE html> <html> <head> <meta charset = "UTF-8"> <title>Learn JavaScript. Arithmetic operators. Addition (plus +).</title> </head> <body> <script> var

Continue reading## (x / sin x)’ = ?

This video is part of the course “Learn Derivatives. Start Here.” Watch this video on YouTube: https://www.youtube.com/watch?v=AL76zsQhSaM&hd=1 Buy the full

Continue reading## (x * sin x)’ = ?

This video is part of the course “Learn Derivatives. Start Here.” Watch this video on YouTube: https://www.youtube.com/watch?v=x1iBiWVvrBU&hd=1 Buy the full

Continue reading## (x – sin x)’ = ?

This video is part of the course “Learn Derivatives. Start Here.” Watch this video on YouTube: https://www.youtube.com/watch?v=LUjvXwUmjC4&hd=1 Buy the full

Continue reading## (x + sin x)’ = ?

Watch this video on YouTube This video is part of the course “Learn Derivatives. Start Here.“ Buy the full course

Continue reading## Another method to get ideas for your emails

I write 200+ words a day – this article has 691 words. A writer who I deeply admire has a

Continue reading## Solve this equation: (3^x-1)^50 + (5^x-1)^30 = 0

The solution is here. Buy “Learn Math (50 formulas with examples)” eBook for 50% off.

Continue reading