From Wikipedia: "Typical operations are addition, subtraction, multiplication, division, and square root. Some [older] systems ... can also perform various transcendental functions such as exponential or trigonometric calculations, though in most modern processors these are done with software library routines."
Trigonometric refers to sine, cosine, etc., as well as the corresponding inverse functions. The exponential function is to calculate ex, in combination with the natural (base e) logarithm, this can be used to calculate powers.
What is the standard IRQ setting for a math coprocessor?
math
A formula or graph are two ways to describe a math function. How a math function is described depends on the domain of the function or the complexity of the function.
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What is the standard IRQ setting for a math coprocessor?
486SX
No. An 80487 would have been a math coprocessor for an 80486 general-purpose microprocessor...just like the 8087 was the math coprocessor for the 8086 and 8088, the 80287 for the 80286, and the 80387 was for the 80386. The 80486 was the first Intel processor to contain an on-chip math coprocessor, so there wouldn't have been an 80487 because it wasn't necessary.
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GetA is a math function and not a string function.
Modern computers typically do not use a coprocessor. Floating-point capabilities are built into the CPU.
math
A formula or graph are two ways to describe a math function. How a math function is described depends on the domain of the function or the complexity of the function.
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A coprocessor provides auxiliary functions or features that the main processor does not have. These might include floating point support or hardware encryption. A coprocessor is generally not usable without its main processor, whereas a processor may function in a crippled or less powerful form without a coprocessor. An example of a processor and a coprocessor pair would be the 80386 and the 80387.
It contains a 32 bit CPU, a floating-point math coprocessor, unified instruction and data cache memory and memory management unit in a single IC.
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