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The calculator is the most common machine to add and subtract numbers. Computers are also very good at this and are adding and subtracting for us all the time.
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∙ 11y ago
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Who invented the calculator that could add subtract and divide?
Pascal
What was the father of the modern computer?
I will say it was the pascaline, created by Blaise Pascal in 1642. It was a mechanical calculator that could add and subtract directly.
What is Leibnitz Calculator?
Finally completed in 1694 the Leibnitz calculator can add,subtract,multiply, and divide numbers. The stepped drum principle of Gottfried Leibnitz's invention survived for 300 years.
How does the abacus function?
An Abacus is a device to help do math.It is basically a frame with rods and beads in the rods.One rod will represent ones,the next tens, then hundreds,then thousands.You move the beads up when you want to add and down when you want to subtract.
What time is 1900?
That time is using a 24 hour clock instead of a 12 hour, so 1pm is 1300, to figure any time out past 12, subtract 12 from it and add pm 1900=7:00pm
Do you add or subtract when you have a negative number and a positive?
Subtract and add the sign of the greater number.
What do you have to add to subtract a rational number?
You have to add the additive inverse. To subtract q, you add -q.
When adding a positive number to a negative number why do you always get a positive number?
-5+-3 = -8 ++ Add -- Add +- Subtract -+ Subtract
What is the answer to a 4 digit number subtracted from a 5 digit number to equal 33333?
Any four-digit number will do. Add it to the number 33333, to get the original number you have to subtract from.Any four-digit number will do. Add it to the number 33333, to get the original number you have to subtract from.Any four-digit number will do. Add it to the number 33333, to get the original number you have to subtract from.Any four-digit number will do. Add it to the number 33333, to get the original number you have to subtract from.
How do you add sign number?
If the number has a + sign then you add it, if it has a - sign, then you subtract it.
What was the first machine to ADD subtract multiply and divide was called?
Abacus
What is an inverse operation subtract 5?
The inverse operation for subtract 5 is add 5. This is because whatever number you start with, if you first "subtract 5" and then "add 5" or if you first "add 5" and then "subtract 5" you are back to the number you started with.
When you add and subtract you need a?
Number. You need a number.
When saying how much more does it mean add or subtract?
When it says how much more you would subtract the little number from the big number. Hope Im Helpful
How was the Leibniz calculator different from the pascaline?
Leibniz's calculator could multiply and divide as well as add and subtract. The pascaline calculator could only add and subtract.
When you add and subtract fractions can the answer be a mixed number?
Yes.
How can you use a number line to add and subtract?
If you want to use a number line to add and subtract, it can be done with a slide rule. But it is much easier to use an electronic calculator.
