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The purpose of this research article is to analyze the effectiveness of using the ToolPak analysis method on matrix geogebra.. The method of this study is an experimental method with quasi-experimental design. The sample in this study is students at the semester 2 of the 2017/2018 academic year at a private college in Garut district, Indonesia. The statistical test used was one sample t test. Hypothesis testing is based on test criteria if the asymp (2-tailed) value greather than alpha then null Hypothesis is accepted. from the results of data processing there is an asymp value (2-tailed) equals to 0.008 smaller than alpha equals to five percent which means null Hypothesis is not accepted. As a conclusion from this study the use of effective ToolPak analysis methods to improve students mathematical reasoning abilities in matrix algebraic material.