gtu how to calculate spi?
['SPI = ΣCiGi / ΣCi = 220/30 = 7.33.', 'Similarly CPI (cumulative performance index) will be calculated by same formulae, but for the sum of being over all the courses taken in current and preceding semester. ... ', 'Class and Distinction etc. will be awarded for the degree on the bases of CPI.']