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+Abacus uses the Gradle build system to handle dependencies and compiling the Java code. Compiling the calculator is easy, and only depends on having Java installed on the machine. To build abacus on UNIX:
+```Bash
+./gradlew build
+```
+or on Windows:
+```Bash
+gradlew build
+```
+This will download a distribution of Gradle if necessary, and compile the Java and Kotlin files that make up Abacus. In order to run Abacus, the command needs to be modified slightly:
+```
+./gradlew run
+```
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