AddOrSubtract
Developer’s Description
AddOrSubtract is a simple math’s tutor to teach simple mathematics. Do as many math quiz questions as you want to. Specify the top and bottom number ranges to increase or decrease difficulty. AddOrSubtract keeps a running score of how many questions has been asked, the number and percentage of the correct answers. AddOrSubtract also keeps a history list of all the current questions asked, your child’s answers and the correct answers so that you can see at the end the questions your child struggles with
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Very simple mathematical help
In the eternal fight to teach math, teachers and parents need every trick in the book to keep kids interested. AddOrSubtract is a program that will help in the battle, with the added bonus that it’s free!
AddOrSubtract is by no means a complex program – it has no help and no configuration options. It simply sets you addition and subtraction sums and records your answers in a given session. You can choose the range of both the top and bottom numbers in the sums – for example, you could tell AddOrSubtract to choose any number between 1 – 50 to be added to any number between 50 – 100, or whatever you want – which makes it appropriate for varying abilities.
That is literally all that AddOrSubtract does, so it is probably best used as part of a broader mathematics program. That said, it is simple to use and sets accurate problems, so it will definitely help put those math skills into practice.
AddOrSubtract provides very simple math practice.
PROS

Very simple to use

Records your session score
CONS

No configuration options

No skip function
what is a license key for windows?
A product key is a 25character code used to activate Windows and help ensure that it is not installed on more PCs than the Microsoft Software License Terms allow.
What is a PC license key?
A license key is a database that verifies access to a licensed software application. This type of software security prevents software theft. And allows organizations to protect their software from being copied or shared with unauthorized licensed users.
How do I install programs?
Locate and download a .exe file.Click on the .exe file and doubleclick it. (It will usually be in your Downloads folder.)
A dialog box will appear. Follow the instructions to install the software.
You will be able to install the software.
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