Добавить в Закладки   |   На сайте: 349
Категории

Join: Feb 4, 2008

Name: SchoolFreeware

Location: US

Videos Watched: 0

Subscribers: 8084

Channel Views: 170760

SchoolFreeware is an organization dedicated to creating freeware, tools and tutorials for educational uses. Currently, we are focusing on creating programs and tutorials that can be valuable tools for teachers, parents, children, and others. www.schoolfreeware.com

Videos (302)

www.schoolfreeware.com Applications can be controlled by the keyboard without the use of the mouse. This tutorial shows how to set up tabs, so, the keyboard can control the application. This tutorial also shows how to clear editboxes and quit the program by calling Application.Terminate. Free Pascal App...
www.schoolfreeware.com The Simple Calculator, up to this point, crashes or comes up with confusing error messages, if a non-number is entered into the calculator. We can make this situation more user friendly by using an error catching technique. Using Try - Except can stabilize the program and tell the user what is happening if an error occurs. The Syntax Try Statement Except Statement End; Free Pascal App...
www.schoolfreeware.com RadioButtons hold a boolean value of either true or false. Normally, RadioButtons are placed in groups. RadioButtons are used when there is a setting that needs options that are mutually exclusive. If a single setting is independent, then a CheckBox should be used. RadioButtons hold a boolean value in the RadioButtons's Checked Property Example: RadioButton1.Checked := True RadioButton1.Checked := False Free Pascal App...
www.schoolfreeware.com Performing Calculations and Math Using EditBoxes User input with editboxes are entered as a string datatype. The computer can not perform calculate using strings. The computer needs numbers in an integer or floating point datatype to make mathematical calculations. The solution is to convert the string into an integer or floating point number, perform the calculation, then convert the calculation back to a string so the answer can be displayed in the editbox or label. IntToStr() - Converts an Integer to a String StrToInt() - Converts a String to an Integer FloatToStr() - Converts a Floating Point to a String StrToFloat() - Converts a String to a Floating Point Example Label1.Text := FloatToStr(StrToFloat(Edit1.Text) + StrToFloat(Edit2.Text)); Free Pascal App...
www.schoolfreeware.com The Simple Calculator is an app that is easy to make and shows the basics of making an application. This tutorial will set up the form (window) for the application. The other parts for making the Simple Calculator Tutorial 6 - String Conversion - Simple Calculator Part 2 Tutorial 7 - RadioButtons - Simple Calculator Part 3 Tutorial 8 - Try Except Error Handling - Simple Calculator Part 4 Tutorial 9 - Tabs and Finished App - Simple Calculator Part 5 Free Pascal App...
ttp://www.schoolfreeware.com This tutorial shows how to create an application that shows a philosophical algorithm regarding the meaning of life. This is not to be taken too seriously. This is just a fun way of creating an application that uses what we have learned. We hope that you have found this to be humorous and true. Free Pascal App...

Favorites (0)

There is no favorite listing by SchoolFreeware

       Rambler's Top100