Reading four consecutive Modbus Registers for modulo 10k

[Steve-Mcl]

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Very Large Numbers Modulo 10k

Here is how modulo 10k is described. 64-bit unsigned value returned in four consecutive 16-bit registers, where R4 is the last register and R1 is the first register. Each registers range is 0 to +9,999: R410,000^3 + R310,000^2 + R2*10,000 + R1 I have created a Modbus function read of four registers to create the math. The resulting numbers appear to be too large for Node-Red to use. What is the work around? Need to do these multiplications and then add the numbers together. Any help?