It looks like there are no more properties/methods implemented than explained in the help, even though alignment can be changed manually from the 'Properties' Tab. https://support.ptc.com/help/mathcad/r10.0/en/?utm_source=mathcad/index.html#page/PTC_... View more

Hi, answer to Q1: 1.] add relation into repeat region ... full_weight = rpt_qty * asm_mbr_weight 2.] add new column into repeat region ... &rpt.rel.full_weight 3.] add summation to above mentioned column   answer to Q2: AFAIK summation formula belong... View more

i is the imaginary unit (the non-real number whose square is -1). Obviously your results are non-real - maybe somewhere in the calculations you are taking the root of negative numbers or the like ...