Hi there,

I just encountered an article about the oddities of number 42 and that 
(-80538738812075974)^3 + 80435758145817515^3 + 12602123297335631^3 = 42. 
I tried to verify in Kcalc, but got different result. I tried the same in 
python, where I got the correct result of 42.

Try easier numbers, lets say 3^3 - 3^3 + 1, which should give 1, but kcalc 
says 28. 

Reproduce: 
Press keys: 3, x^3, - , 3, x^3, +, 1, enter --> 28

Also (with intermediate results in square brackets):
2^3 [8] + 2^2 [4] +[8] 2 = 10 (should be 14).
2^3 [8] + 2^2 [4]+ 2^2 [4]  + 2^2 [4] +[8] 1 = 9 (should be 21)

It seems like as if the result of x^2 and x^3 are ignored in consecutive 
additions/substractions.

Kcalc version 18.12.3

Can anybody verify with other versions?

Regards
        Alex






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