[DOC] [TLE] Pascal's calculator - Wikipedia [PAR] Pascal's calculator is a mechanical calculator invented by Blaise Pascal in the 
early 17th ... Gottfried Leibniz invented his Leibniz wheels after 1671 after trying 
to add an .... He first tried to build a machine that could multiply automatically 
while sitting .... The only two differences between an addition and a subtraction 
are the... [DOC] [TLE] Mechanical calculator - Wikipedia [PAR] A mechanical calculator, or calculating machine, was a mechanical device used 
to perform .... This machine could add and subtract two numbers directly and 
multiply and divide ... Pascal's invention of the calculating machine, just three 
hundred years ago, ... Leibniz was also the first person to describe a pinwheel 
calculator. [DOC] [TLE] MrVanNus - Mass Production - Lecture #1 [PAR] Leibniz modified Pascal's calculator so it could multiply and divide, and he made 
it ... Pascal's calculator could only add and subtract, while Leibniz's could add,... [DOC] [TLE] History of Computers [PAR] While it predates the Chinese abacus we do not know if it was the ancestor of that 
... It could add and subtract, like Pascal's machine, but it could also multiply and 
divide. ... Leibniz also invented something essential to modern computers  
binary .... It was capable of performing only one function, that of code breaking 
during... [DOC] [TLE] The First Calculating Machines [PAR] You will cry out with joy when you see how it carries forward tens and hundreds, 
... The prototype had five wheels, and so could handle fivedigit numbers; later ... 
Nevertheless, it was possible to perform subtraction by the process of adding the 
... Pascal, "has invented this arithmetical machine by which you can not only do... [DOC] [TLE] An Illustrated History of Computers | The Oxford Math Center [PAR] A typical computer operation back when computers were people ... Pascal built 
50 of this gear-driven one-function calculator (it could only add) but ... subtraction, 
multiplication, and division) calculator that he called the stepped ... Leibniz's 
Stepped Reckoner (have you ever heard "calculating" referred to as "reckoning"
?) [DOC] [TLE] Stepped Reckoner of Gottfried Leibniz - History of Computers [PAR] At the beginning, Leibniz tried to use a mechanism, similar to Pascal's, but ... He 
complained: "If only a craftsman could execute the instrument as I had ... When 
the drum rotated to a full revolution, with the wheel (F) will be engaged .... The 
adding (subtracting) machine coincides completely with the calculating box of 
Pascal. [DOC] [TLE] History's Great Computer Eccentrics - AtariArchives.org [PAR] French philosopher Blaise Pascal, inventor of the first workable automatic ... 
Continent (this despite the fact that it could only add and subtract), but Blaise was 
unable ... even better than Pascal's (it could add, subtract, multiply and divide) 
and went on ... While studying for a law degree, Leibniz became curious about a 
secret... [DOC] [TLE] The history of the calculator - The Calculator Site [PAR] Mar 24, 2014 ... When all the beads had been slid across the first rod, it was time to move one 
across ... (or discs) that uses logarithmic scales to allow rapid multiplication and 
division. ... Pascal's machine used geared wheels and could add and subtract 
two ... Gottfried Leibniz then spent the best part of his life designing a... [DOC] [TLE] Pascaline of Blaise Pascal - History of Computers [PAR] Although it is composed of many different small parts, as you can see, at the ... a 
time when clocks and clockwork were celebrated, with even the Universe .... This 
means, that the machine can work only as a adding device, and subtraction must 
be ... but Pascal, as well as all next inventors of calculating machines (Leibniz,... [DOC] [TLE] Gottfried Leibniz - Wikiquote [PAR] Only geometry can hand us the thread [which will lead us through] the labyrinth of 
the ... from the beginning of the world to the time when Sir Isaac lived, what he 
had done was .... earlier work of Pascal, who built a machine that could add and 
subtract

Question: While Pascal's could only add & subtract, Leibniz' could multiply
Answer: Calculator