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Supplied Functions (Original Enhancement) ☆

FACT(x) | The factorial of x
PERM(n,r) | The number of permutations
COMB(n,r) | The number of combinations ( the binary coefficient)
ROUND(x) | The value of x rounded to an integer. ROUND(x) coincides with ROUND(x,0) on The DECIMAL or the 1000-digit or the RATIONAL operation mode. ROUND(x) is the value of x rounded half even on the BINARY or the COMPLEX operation mode.
BITNOT(n) | The value inverted each bit when n is consided as a binary. |
BITAND(a,b) | Bitwise-AND of a and b when they are consided as binaries. |
BITOR(a,b) | Bitwise-OR of a and b when they are consided as binaries. |
BITXOR(a,b) | Bitwise-XOR of a and b when they are consided as binaries. |