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Are there no "and" "or" operators in mql4??

I am just learning to code mql4 and it appears as though there are no "and" "or" operators which are common to almost any programming language. In the mql4 documentation it gives the usual bitwise and logical operators but no "and" "or". Does this mean that all expressions comparing various

Historical swap rates

Does anyone know where historical swap rates of several years back are posted. Or how to derive approximates of them from more easily obtainable economic data? Thanks