Japan Society for Symbolic and Algebraic Computation (JSSAC) is an association that is keen to progressing symbolic and algebraic computation from various lookouts. JSSAC consists of those who are concerned in research, development, application and application of symbolic and algebraic computation. Communications of JSSAC publishes original articles dealing with every phase of symbolic and algebraic computation. JSSAC supports ISSAC 2014, which is one of satellite conferences of ICM 2014 (International Congress of Mathematicians). The International Symposium on Symbolic and Algebraic Computation is the foremost conference for research in symbolic computation and computer algebra. ISSAC 2014 is the 39th meeting in the series. The conference conventionally presents a range of invited speakers, tutorials, poster sessions and software demonstrations with a centre-piece of contributed research papers. ISSAC 2014 is held July 23-25, 2014 at Kobe University, Japan.