Free scientific letter software for windows

The classic text on marketing by Claude Hopkins entitled Scientific Advertising. If you have have a business, this book will help you apply time-tested methods to increase your visibility and profitability.

The Scientific Calculator Opera Widget supports trigonometry, logarithms, combinations and permutations and more The Scientific Calculator Opera Widget is a two-line scientific calculator that provides the look and feel of a real calculator.
With a dedicated line for the equation and another for the result, complex equations can be written with ease.
You can input numbers and simple functions via the keyboard and more advanced functions are available using the normal calculator buttons.
Main features:
- Trigonometry
- Logarithms
- Combinations and permutations
- 7 programmable memory locations
- Pseudo-random number generator
If you dont like the default look, you can change it! Five different skins are provided.
Note: This calculator is only as accurate as the JavaScript runtime environment, floating point rounding errors can occur.
System requirements:
- Opera 9 or later

English version.
Solves math expressions like: Sin(Pi)-Root(-8;3)+3
Creates users functions (e.g. surfaces, volumes, and so on). Publishes in Internet. Receives from Internet.
Program shows position of bugs in math expression made by user. Descriptions of bugs help solve a problem.
Prompter shows functions, variables, constants. Simply press SPACE key.
Exchange rates table and currency converter are update from Internet by one click.
Units converter makes easier to convert various units.
14 categories of units: length, temperature, pressure and so on.
Creates users variables.
Numeral systems: binary, octal, decimal, hexadecimal.
Measures of angle: radian, degree, gradus.
5 sets of keyboards configured ba a user.
3 calculators - user can calculate three various math expressions.
Button Undo and Redo.
History of math expressions.
Comprehensive Help.

Cover Letter Creator - make an Attention-Pulling Resume Cover Letter Cover Letter Creator is a small tool that helps you make an Attention-Pulling Resume Cover Letter while following the step by step instructions.
The procedure consists of seven steps which one has to follow from the beginning until the end. Each step includes an example in such a way that the user can easily follow the meaning and logic of the instructions.
At the end one can generate the Cover Letter. A TXT-file will be created which one can save into a folder on PC or laptop. Links are also provided (to do some research work) and to obtain information that can be used to make the Cover Letter more appealing and attracting.
After the generation of the Cover Letter, further tips and tricks are mentioned in order to enhance the probability of a response for a personal interview. The Cover Letter is focused upon vacancies.
Unsollicited Responses to companies will be developed in a second or ... version. The Cover Letter is made by a Senior Outplacement Consultant who has years of experience in Cover Letters and of course also in Resumes.