In Tutorial 1, we saw that PRINT was capable of printing text surrounded by quotes. PRINT is capable of doing a bit more. PRINT is capable of printing calculations too.
QBasic / QB64 follows the math rule of PEMDAS - Please Excuse My Dear Aunt Sally. PEMDAS is also called the Order of Operations.
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
Functions Used in This Tutorial
SQR is the square root function.
ABS is the absolute function.
Code Download
QBT2.BAS
QB64 is a free download at www.qb64.org
QB64 Wiki & Manual is found at www.qb64.org/wiki/Main_Page
QBasic 1.1 is found within OldDOS.exe.
OldDos is a free download at download.microsoft.com/download/win95upg/tool_s/1.0/W95/EN-US/olddos.exe
On some web browsers, the Microsoft link does not work, because the download comes as an exe file.
A zip file of OldDOS can be found at www.pcxt-micro.com/download.html
QBasic 1.1 needs DOSBox to run on Windows Vista and greater, Mac, and Linux.
DosBox is a free download at www.dosbox.com
Free QB64/QBasic Code
QBasic.Net - www.qbasic.net
Pete's QBasic Site - www.petesqbsite.com/index.php
QB45 - qb45.org
Phatcode - games.phatcode.net